Dt466 icp pressure at idle. 69 whether it's at 725 RPM idle or 2,500 RPM rev.

Dt466 icp pressure at idle I cobbled up a test gauge to check HPOP/ICP pressure at cranking and it showed to be 900psi at cranking. Your ICP sensor could be biased slightly. Replaced the IRP valve code is still active, still no power. Dt466 ipr valve or icp sensor Discussion in 'International Forum' started by B77, Jun 30, 2020. ICP should be over 500 but 480-550 is normal Spikes to 2200 while cranking ICP DC or aka IPR should be between 10-15% as well as Accelerator Pedal Position between 10-15% WOT ICP DC should not exceed 65% and ICP should not drop below 1800PSI with Pedal Position between 70-80% Take out chip as rev limiter may be disabled with it in. I have no codes, but under load I seem to be losing pressure in the high pressure oil system will drop to 825 under hard load and the desired pressure is 3500, ICP is New filters and fuel housing cleaned. It will turn on the engine light but don't Hmmm. Hooked it up to my scan tool and test drove. VGT dty cycle offset -400% (idle) ipr duty cycle 13/14% (idle) icp 650 psi +/- 50 % Very erratic (idle) Injector pulsewidth 0 ohms (idle or throttle) Ebp 1. Here are some other checks. I have a new IPR coming today. International® DT 466/225 Minimum ICP pressure/voltage. On a DT466 in a 1660 combine the oil pressure is fluctuating around 5psi at operating temperature at high idle. Post Fiend. Emissions DT466, DT570 & HT570 CHANGE LOG NOTE: DO NOT delete this Change Log. I can unplug International DT 466 engine pdf manual download. 3L Power Stroke Diesel - Stalling, engine stumbles at idle or under load - Like the title says, my engine has stalled twice at idle and now is constantly stumbling like someone is cycling my ignition key on and off for a split second. Follow along as I diagnose this 2007 Maxxforce DT that dies intermittently. I want the pressure in PSI at low idle. #466HM2U2009767? Also what is I have a 2002 International with a DT466E, about 185,000 miles, that has no start / hard to start problem when cold. Answered in Bosch low pressure fuel pump on a dt466 International. Unplugging the ICP will drop ICP pressure to 725 psi and IPR % to 14%. The engine needs around 870 PSI to start. 3L Powerstroke, you may have heard about the ICP sensor—short for Injection Control Pressure sensor. This CPA update allows the CPA HPOP test to monitor engine oil temperature (EOT) and the pressure at the outlet of the high pressure oil pump. Have also installed Navistar tool in pump in place of regulator to achieve maximum pressure. Servicemaxx data shows that for a half to full second during these sputters the ICP delivered is not keeping up with ICP desired. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines I'm not exactly sure on fuel pressure. ICP . My scan tool shows the Ext Rng fuel del pressure to be at 6500psi at idle and it bounces between 2-120psi when your on the pedal. I Just some old inactive code pertaining to icp low pressure and voltage. All components are labeled and a legend at the bottom of the diagram explains the I have an 07 International with a DT466 with a high oil pressure problem, at idle is normal but if you go to full fuel Thank you for thatI could be the ICP, that regulates the oil pressure to fire injectors,un plug it and see if the pressure drops. DID the reset said pressure higher etc on driving. I replaced the lift pump and it didn't change one bit. I keep getting a code 333(injection pres. Test drove truck for over 20 miles. jeep10000. 33. The screen was broken on the old one. 86 Satisfied Customers. 30. 2006 International 4300 DT466. 2004 IH 4400 DT466 engine: hpop pressure out: 825psi idle Computer says the icp is low: 750 driving Installed new icp. One pin will have 5 volts, one is signal ground and other is signal return to the ecm. 2005 F250, 201,000 Miles, Bullet Proof HD Oil Cooler w/ Cold Weather Kit, KC Stage 1 Turbo, Bullet Proof EGR, Bulletproof Water Pump, 7. Warranty will not cover the cost of the spare ICP sensor and high-pressure hose. Put air pressure on the high pressure oil rail and listen for leaks at the injector bleed hole or around the orings, If ICP pressure is still below specification, replace the high-pressure pump. After it cools for 2 -3 minutes an I bump the throttle to He might was talking about the oil pressure. It only went about 20 or 30 miles total so I'll wait until it has more miles before I sweat it too bad. How to Test for a Bad ICP Sensor on a 1994-1997 Ford 7. 17,783 I have a 1999 IH DT466E that will not stay running. This article will explain International DT466E Problems. 5 - 1997 7. dt466 4300 i can't seem to locate the icp sensor, Low ICP pressure, won't start. I just changed the HPOP, fuel injectors, and the o-rings on the oil rail. Solid, maybe 3 months ago, only when 332 ICP above spec engine off 125 ICP signal out of range high 113 electrical system voltage B+ out of range low 312 EOT out of range high 135 idle validation switch circuit fault 525 injector driver circuit fault "M" It also seems to have a erratic ICP pressure when running badly/lopes. Addressing common issues like fuel system malfunctions, cooling system complications, oil and lubrication challenges, turbocharger troubles, electrical system concerns, and emission control complications is vital. com App . This analysis delves into the common problems associated with the DT466E, offering insights and solutions. cold starts fine. If I unplug the ICP, it runs a lot rougher with the default 5,000 KPA on the ICP and IPR is at 14% at idle and will go up if revved then. PROBLEM OCCURRED QUICKLY (NOT OVER PERIOD), ABOUT 5LBS AT IDLE, 15 -20. and not reading the correct value , it can cause many symptoms including low power , hard starts , no starts ,rough idle ,and many more depending on what it's doing. Low ICP pressure, won't start. Cruise harness. Let truck high idle until up to temp. A month ago I started it, and let it idle as usual. 98 jumps to 9. Customer: 2012 International maxforce DT466 CODE 164FMI-1 (Changed all the mechanical parts, but there is an electrical issue that i cannot seem to figure out and the code doens't seem to dissapear it might be either a computer or wiring issue, I have changed pretty much everything mechanical that i could find, the IPR VALVE and the ICP Valve, High Pressure Oil Valve, It only seems to do it when it's cold and once it builds a little heat it's fine, ICP pressure at idle is around a steady 1000 psi, fuel pressure is at 70 psi, the number 3 & 4 injectors and injectoer harness have been previously replaced and the problem remained, once I got it I did test the harness from the ecm and found no issues with the Minimum ICP Pressure / Voltage Required to Start the Engine. if you have a computer you can hook up to that will read your high pressure oil pressure while trying to start. Tapped the gas and it went back down to 600rpm, which seemed low. View ICP VOLTAGE using the Continuous Monitor test found under the diagnostics menu in MASTER DIAGNOSTICS. The International DT466E engine, renowned for its robust performance in commercial trucks, faces its share of challenges. • Version 5 requires the use of engine oil NOTE: If the engine is equipped with a Shrader valve, use the Fuel Pressure Test Adapter. Today I let it warm up Active code 124 ICP pressure. At HOT WOT the oil pressure range is 50-72 PSI. 870 psi / 1. Afternoon route bus starts as it should. Mechanic's Assistant chat. The truck is super reliable but it is slow as hell. With the switch on and the engine off it reads 9. ServiceMax displays 11. Learn the signs of a failing ICP Sensor, including rough idle, low power, and black exhaust. There is an ICP sensor under the valve cover that can fail as well causing a no start and there are O-rings on spigots on the high pressure manifold that supply high pressure oil over 4000 PSI to the injectors that fail over time resulting in the no ICP fault. These diagnostics can be used on 2002-2013 dt466 engine platforms. we had a rear engine school bus that we replaced the PUMP . I posted the sensor location in my previous response. You could also have low fuel pressure that is partially compensated for when the PCM went into default mode. worked on, Gmc, Macks, Freight liner,Mercedes 2001 International Bus DT466E, 333 code, low acceleration . Unplugging the sensor puts the ECM in a default mode or default pressure settings to allow an engine to start if the ICP sensor were to fail. IT WILL NOT BUILD OIL PRESSURE AT A 700 RPM IDLE FOR ALMOST 1 MINUTE. Customer: 2010 dt466e, no start hot. No warning indicators stay on and the gauges are normal. I'd be curious to check ICP pressures and verify that IPR is working as well. 25 Volts. But I will get the $500 dollar ipr valve. Left it sit for a few hours and decided to see how Not building icp pressure can be a few different issues. 2017 inter STILL RUNNING REALLY BAD, NO CODES, ALTHOUGH ICP PRESSURE APPEARS GOOD I AM GOING TO INSTALL NEW O RINGS ON FUEL MAINIFOLD AND INJECTORS? Technician: Alex Olsen. 2017 inter 4300 5h121916 2005 International 4300 dt466 Rough idle - Answered by a verified Technician. There are updates The icp needs to be 725 and fuel pressure 20 psi. Today I let it warm up and it was purring like a kitten. Replaced the injector harness, UVCH, oil pressure sensor, ICP sensor, . Mike Mcmillan. I finally programed my scangauge for icp and ipr what should i see at idle for icp pressure and maybe at 2g. I have a code for low fuel pressure, at idle I am only getting 10 psi. Even though The IPR controls the ICP pressure based on the signal provided by the ECM. All though the You should have 450-500 psi injector oil pressure while cranking. Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino I have a 2001 4700 with a 215hp dt466e. 1999 - 2003 7. My 2005 DT466e has a sputter and loses power for a fraction of a second when going down the road. Minimum ICP pressure/voltage 5 MPa (725 psi) / 1. I have good oil pressure 67psi. Erratic Idle: The normal rhythm of your engine’s idle can become erratic or shaky. I'm working on a 2004 DT 466 e with the variable turbo that won't start on it's own. Posted - 02/19/2018 2000 International 4700 DT466E We have a huge problem with this vehicle I am hoping someone can help us with. I 2000 international 4700 dt466e with 24,000 miles (yes, 24k) Sorry ahead of time for me not knowing what a "ipr" is for example until i google it. Connect Pressure Sensor Breakout Harness to Customer: 2005 international 4300 with dt466. to several minutes. 3L Power Stroke Diesel - ICP DC too low at idle? - I see the ICP DC should be at 9-13% at idle with an ICP of ~500 psi. I've been searching for acceptable AE Perdel readings(for all tests thus far only found ICP and Cylinder rotation) Manifold Absolute Pressure (MAP) above spec. we looked at the picktube tried cranking with oil pan removed and tube in oil Hot(185-190) Idle = 2-3 PSI Hot(185-190) @ 1500RPM = 18 PSI engine has around 15000 on it. Then, for what ever reason it cannot build high pressure. Minimum fuel pressure/voltage International® DT 466/210 210 bhp @ 2300 rpm 1121 (###) ###-####91 2006 international 4300 dt466 engine light comes on while in idle. 0 V. Fuel pressure at idle is 30 psi. peace out . Expert. HPOP appears to be capable of putting out desired pressure. When you accelerate it seems Customer: Hi I have an 07 International with a DT466 that has low power under load I have replace fuel filter , high pressure oil pump, pressure regulator for fuel system, exhaust back pressure sensor. Low power. Technician: Andy. Connect Fuel Pressure Gauge with shut-off valve and clear 3/8” diameter hose to test valve. Still no codes stored and See “DT 466 Performance Specifications” – Appendix A (page 595) or “DT 570 and HT 570 Performance Specifications” – Appendix B (page 619) for specifications and record on Diagnostic (158 °F) or higher, before measuring crankcase pressure. AND I HAVE I NEED THE RECOMMENDED RANGE OF ENGINE OIL PRESSURE AT IDLE AND OFF IDLE AS WELL. ICP Desired and Actual are compatible with each other and work like they should when revving Customer: I have a 2008 international 4300 with a DT466. Blackcloud413 Discussion starter. The truck cranks and fires in about 2-3 seconds with no long cranking noted. Engine light was on but. Shortly after that started losing oil pressure. should see around 700 PSI cranking and over 3000-4000 PSI at high RPM. Truck came in with What is the Heui pressure running at idle and high idle cold and hot. (11-02-2021, 01:56 AM) Bluenozer Wrote: These dt engines are mysterious sometimes , I've had both injector issue and wore out engines act this way A cylinder contribution test can clear the smoke sometimes on which way togo Stupid question but the exhaust brake/regen bear trap behind turbos not broke or stuck Hi single turbo engine those early maxxforce engines didn’t 2006 International 4400 with a Dt466E 310HP Rough and surging idle warm or cold does it randomly. 135, SPN 230, FMI 11 Idle Validation Switch Fault I cleared these codes and none have come back, but the issue persists. 07 international 4300 dt466e. What am I over looking. After that, you remove the high pressure line at the head, install a pressure gauge and crank to see if it makes 4000 psi or not. Volvo/Mack Master Tech, Certified with Cummins, Eaton Now when we crank it it just cranks and has white smoke comming from the exhaust. 22,820 Satisfied Customers. /4700 w/a DT466E. I can’t remember. We inspected the regulator and it was smooth and free;the oil is clean and filters were changed recently. Low fuel pressure from a plugged strainer, weak fuel pump or pressure regulator 2) Bad cam sensor To see if the ICP sensor is bad unplug it and run the engine. When you accelerate it seems to run out of fuel. 125* 164 . Answered by TomcM28 in 11 hours 2 years ago. idle 60 psi and hammer down just a bit over 70 psi, starts right up cold , pull oil temp. ICP & pressure sensor to I need to look and see but functionally the DT466 EGR is along the same lines as the VT365 (ford 6. 34,589 Satisfied Customers. Replaced cam, bushings, lifters. found high pressure oil line o ring torn, replaced and retested ok. new injector pucks with o rings. Likes: 22. At HOT idle (650 RPM) the MIN oil press is 15 PSI. See "DT 466 Performance Specifications" - Appendix A or Just curious as to what normal oil pressures are for an older DT466? Mine happens to be a 1996 Mechanical with the "standard from the factory" mechanical oil pressure gauge in the instrument panel. Had good oil pressure around 50 psi at idle. above/below desired spec). icp is a relitive thing. More is usually good, not enough is really bad. I figured that if this was too high that it would trip at DTC. When you unplugged the ICP, the PCM reverted to default numbers - what you were seeing isn't real. New IPR valve, new HPOP, all 6 new injectors, still low ICP. outback1992. This is part I of a quick video on how to easily find the cause of low oil injection pressure on an International DT466 engine. Mechanics Think Differently: Bridging the Gap Between HR and Hiring Technicians. Loud clacking under engine cover. Intermittent rough idle. When I plug the ICP back in 45-55 seconds later the ICP pressures will jump back up to 3300-3400 psi and remain there until the ICP is unplugged again. At full throttle the oil pressure around 42lbs (after getting normal operating temp), at low throttle (800 rpms) it drops to 18lbs. NO If the ICP pressure is within specs and the engine runs smoother with the ICP pressure disconnected, replace the sensor. It jumps by 220 PSI so 610 to 830 to 1050 and so on). It will start right up and then run from anywhere from 30 secs. at 2500rpm it is 0 psi. The ICP sensor gives the pressure signal from the sensor. Answered by Andy Have an 2005 international 4300 dt466. Make sure your set up to read ICPv. This little part plays a big role in how your truck’s engine runs by helping control the amount of fuel pressu At idle, the ICP DT 466 HIGH PRESSURE OIL GAUGE PROBLEM it's an 05 international dt 466 engine non egr. By Carl Frisch. 2008 IC CE300 with Maxxforce DT466 with 95k on the clock. Page (on the back of the high pressure oil pump) or ICP injection control pressure sensor under the valve cover on the oil rail? International LT 2025 NO IDLE TruckerChick1 posted Jan 20, 2025 at 8:59 PM. It seems like the engine load is working backwards when the code is on. New oil pump, pressure relief valves and thermostatic valve for oil. INTERNATIONAL DT466E, LOW ENGINE OIL PRESSURE. 37 with nothing in between. 138 kPa (20 psi) / 0. Daniel 332 ICP above spec engine off 125 ICP signal out of range high 113 electrical system voltage B+ out of range low 312 EOT out of range high 135 idle validation switch circuit fault 525 injector driver circuit fault "M" It also seems to have a erratic ICP pressure when running badly/lopes. 500 to start, 16 to 1800 hundred at 1500rpm, 2700 max. 22,777 Satisfied Customers. . Rpms at idle are 700, engine load at idle is around 20-30% But then that code throws, engine load stays high. Have. I have a 2006 DT466 4300 box truck that has an intermittent idle/surge issue. Have you noticed any specific symptoms or issues with the low My E99 ICP readings seem to be all over the place at idle it fluctuates from 461-502 and WOT i have hit high 2800's but usually between high 2400'S to high 2600's ICP Duty cycle at idle 8. Fuel psi 70 plus and no air. Injection Control Pressure/voltage 4. Rough nasty loping idle low ICP pressure. It'll show high while it's cold, once it heats up it will thin and the pressure will indicate lower. Question - Solved! I just got done with an inframe rebuild on a 98 dt466e. Aside from that a cylinder cancel test would really help. Reply. 1. It idles fine with no sputter. all our pressures and percentages. The. 450-500 PSI of ICP to start, 550-750 to idle, and should ramp up into the 2,000's when getting on it. • If high-pressure pump gear is tight, but the high-pressure pump cam does not rotate, suspect damage in the high-pressure pump. A bad fuel pump was a possibility, but much more likely was a 2004 IH 4400 DT466 engine: hpop pressure out: 825psi idle Computer says the icp is low: 750 driving Installed new icp Mike Mcmillan Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel Start / Rough idle and ICP pressure faults. Duty cycle was reading about 25% at idle and ICP between 610-830 (The app is not entirely accurate because I think it converts it from another unit. I have see this with the newer style, but not so much with the old ones. See “DT 466 Performance Specifications” – Appendix A (page 595) or “DT 570 and HT 570 Performance Specifications” – Appendix B (page 619) for specifications and record on Diagnostic Form. Seems to run fine at idle. Unplugged, the stock system asks for around 14. 0 icp pressure at idle. Fuel Pressure) Eric :dunce: Save Share Reply Quote Like. Not sure about ipr duty cycle but ICP should be about 3335 psi at full load , idle about 650psi 5h121916 2005 International 4300 dt466 Rough idle. 2006 International dt466. Possible Causes • ICP system leakage I downloaded Forscan to check, and now at a rough idle on a cold engine, ICP is reading ~24,000 KPA (3,500 psi) at idle and the IPR % stays at 4. when the bus is in idle, before the code ICP Pressure at idle (hot vs. Morning route bus starts as it should. 0 Flush Procedures No Start / Have a 2003 International 4300 with the DT466, 50k miles. Jump to Latest sounds like your high pressure oil isn't getting as high as it should to start. THEN IT 2004 IH 4400 DT466 engine: hpop pressure out: 825psi idle Computer says the icp is low: 750 driving Installed new icp. I am getting a DC of 7. 07 international 4300 dt466e INJECTION CONTROL PRESSURE (ICP) SENSOR FOR NAVISTAR DT466E, I530E, DT466/530, HT530 ALLIANT POWER # AP63465 OEM Part Number: 1830669C92 This ICP Sensor fits the following vehicles: That is ICP pressure that you are looking at, Fuel pressure runs low and will never get that high, I will post the specs this engine needs below. I did notice that EGR position at idle is 20%. Replaced all 6 adapters and 6 injectors and ICP sensor. Top of the range is like 6000 psi. The fuel pressure at the manifold will only get up to about 20psi after exteneded cranking. Install the 3 wire breakout tee between the ICP sensor and harness connector. WHAT SHOULD THE COOLANT TEMP. 5 ± 0. 2 volts, approximately 390 RPM, and ICP pressure of 960 +/- psi. Changed oil and filter with IH filter. I have an international dt466e that will not start. Mechanic's Assistant: What's the make/model/year of your truck? Engine type? Customer: I have a 2008 international 4300 with a DT466. worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling. If it does, then you are looking at a leak under the rocker cover, likely pucks. Volvo/Mack Master Tech, Certified with Cummins, Eaton With ICP issues, always check your regulator and make sure it is in good shape. Fuel Injectors. Volvo the fuel injectors are powered by high pressure oil in the range of 550 to 3500 psi. we have put a computer on it and the icp pressure isnt instant and once it gets pressure it only reaches 500ish psi. It does not actually DT466E what pressure should i read on oil rail, i tee in oil rail where pressure line connects i am getting 800 psi at By chatting and providing personal What should the idle oil pressure read on my 99 chevy tahoe? 211K. 825psi idle Computer says the icp is low: 750 driving Installed new icp. Most common are the connector right at the IPR. Page 4 The three wire plug is your oil pressure sensor. Pulled new HPOP off. The truck ran all weekend but still is running a bit rough on idle after it warms up. Truck will only go about 10mph, the only active code I have is Injection Control Pressure above/below desired level. If you are finding a lot lower voltage than 12 V at the IPR but seeing 2009 ce300 Max force dt466 Low icp when cranking When hot after drive may start at all and flag a 2335 code Just did - Answered by a verified Technician. We use cookies to give you the best possible experience on our website. Took the ipr valve off. 9. 5 MPa (725 psi) / 1. Fresh oil change-- Cold start, ambient temperature 48 degrees F-- 55 Psi at idle. In conclusion, the DT466 engine is a robust and reliable power unit but not without its share of problems. Engine model. But it runs better with the icp sensor unplugged. If you reseal the oilers from the rail box read the instructions so you can measure for shims. No aerated fuel. Car Specialist. unable to build icp pressure while cranking codes pulled. Posts: 12,123. We have a 2005 IC Re DT466. Customer. When full throttle or pulling hill icp jumps from desired to 4917 instantly then code comes on then check engine Symptoms of a DT466E ICP Sensor can be hard to diagnose. NOTE: The "Version 5" CPA software release coincides with an Essential Tool shipment 12-999-01-07 (November 2014). Seems to run fine at idle IT WILL NOT BUILD OIL PRESSURE AT A 700 RPM IDLE FOR ALMOST 1 MINUTE. We have a 2000 International 4700 with a DT466E Engine. 0 V Minimum oil pressure/voltage 138 kPa (20 psi) / 0. 0 . Now, I have about 40 psi at startup. Like said before, your PCM is seeing the pressure from the ICP and tells the IPR to give it more, if the IPR duty cycle keeps climbing but 2004 IH 4400 DT466 engine: hpop pressure out: 825psi idle Computer says the icp is low: 750 driving Installed new icp Mechanic's Assistant chat Customer: 2004 IH 4400 DT466 engine: hpop pressure out: 825psi idleComputer says the icp is low: 750 drivingInstalled new icp sensor under the valve cover, No change. First, engine oil runs the high pressure side. Reply reply Jessepersen Low oil pressure only at idle - I posted on the combine forum,and was advised to also ask here. Replaced it with a Chinese one. I did some volt & ohms 333-(1) If set during normal engine operation indicates engine is operating in open loop control & ICP pressure is above or below desired pressure. 2004 F350 CC DRW King Ranch X-3 tunes by DJ'S,QT,GH,ID. ICP is "Injector Control Pressure". Resolution: 2005 6. DT466 issues. 3L Powerstroke Diesel If you own a 1994-1997 Ford 7. The ICP is at 875 at idle. james Roberts. 3 . 4 V Applies To: EPA 2004-2006 DT466 / 570 / 570HT, 2007-2009 MaxxForce DT / 9 / 10, and 2010 & HD OBD MaxxForce DT / 9 / 10 Engines IK1200991 -Diagnosing Hard Start / No Start complaints or ICP pressure concerns with the CPA Tool IK1201043 -ICP Adaptation • 12-452-01 - Leak Detection Tool Instructions Customer: Have an 2005 international 4300 dt466. When you accelerate it seems I have a crazy story I=on the reset adaption. When that happens, the ICP pressure is capped at 2,465 psi. It has a brand new lift pump,fuel filter, cam sensor, and pressure regulator. 3. 9 V 2006 DT466e with no DTCs Running very rough / misfiring randomly. Moderate gray smoke. Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel What should the compression pressure be on a 2004 IH DT466 ser. Messed with it for a bit checking on things and it started right up every time I tried. and the smoke goes away, could a plugged muffler cause this, because at an idle I have 3 psi at idle and at 1500 rpm I can get as much as 8 psi. The ICP (Injection Control Pressure) Sensor on a DT466E engine is used to measure the amount of fuel pressure in the fuel injector. 4% DC and ~500 psi Is this right? 1994. When I come to a stop, with my foot off accelerator, the engine load reads 98-100%. Basically the Truck died itself. 183000 miles and 8900 hours shown on the instrument panel. 5 psi. 07 international dt466e high idle inoperable for pto. If you have good fuel pressure and not losing prime then verify your ICP pressure while cranking. 99 International DT466E no EGR no building ICP pressure Replaced ICP and IPR with international brand sensors. Sent from AutoGuide. Make sure you have oil in it. I'm seein 1020 psi on my monitor at idle. Things appear to read correctly, until the 333 code sets. The 99 International DT466E no EGR no building ICP pressure Replaced ICP and IPR with international brand sensors. Minimum oil pressure/voltage. I'm working on a 2000 Int. Dt466 international How much fuel or hpop pressure does it need to fire the injectors at idle and on starting? Mike Mcmillan. EGRP starting. Injection Control Pressure signal out-of-range low . Donot know why one of my DT466 oil pressure so low, warm idling only a little more than 10PSI, cold start around 30PSI, other sister bus are 80PSI cold start, 30PSI when warm idling, not sure this bus long cranking time to start is because low oil pressure , I donnot have manual gauge to check if sensor going bad, any idea? Thanks Misfire, rough idle and poor performance on 2004 - 2007 466 and 570 Applies To: 2004- 2009 EGR MaxxForce DT 9 and10. Also it feels like 20% power loss overall. Unplug ICP runs fine. Code 164-16 sets for ICP pressure above desired level. If you see bubbles just pull them all and re-seal em. By chatting and providing personal info, you understand and agree to our Terms of This information can help us determine the appropriate low idle pressure range for the fuel pump. Not showing ic dt466 no start New Topic Reply to Topic Printer Friendly: Author: Topic cranking and i sometimes now get an icp code for unable to build pressure during cranking once it starts it runs fine icp pressure is good it does start a little easier then before before i could rarely get it stated no it fires with a little throotle help any ideas The DT-466 in my IH-3788 seems to have dropped oil pressure on idle. Priming the system and first start went great. Either there is a massive leak, pump failure, IPR failure or simple ICP sensor failure. still getting 300 ish psi icp cranking when truck at operating temps. Icu pressure actual and By chatting and verify your ICP pressure next. Injection Control Pressure (ICP) system • Lubrication system • Fuel supply system • Electronic control system EGES-270-1 Read all Do you have a scanner to be able to tell me the ICP pressure actual versus demand? What about turbo pressure? What is the EGR Mass Flow showing when the engine is at idle and at full rev? 5h121916 2005 International 4300 dt466 Rough idle. cold) Depends on which ICP PID your Scangauge is looking at, there is ICP actual pressure, ICP desired pressure, and ICPv. Daniel Wilson. 101 posts · Joined 2011 Pressure checked icp system leaks at adapters and 4 injectors. Truck has been sitting most of the winter, and I have been starting it every month or so to keep things fresh. Low ICP pressure could be caused by a faulty high-pressure pump, IPR valve, leaking injector O-rings, faulty ICP Hello. I have an 07 International with a DT466 with a high oil pressure problem, at idle is normal but if you go to full fuel By chatting and providing personal info Hi I have an 07 International with a DT466 with a high oil pressure problem, Low ICP pressure, won't start. It fires right up on a hot restart so I'm confident that part is fixed. I've changed my original camshaft sensor with a spare one, then got Customer: I have a 2005 International 4300 with a DT466 I believe I've got an IDM going out I'm getting very odd active and inactive codes keon active start the truck at idle they're inactive and as soon as you come off of Base idle they're active again I also have a code for low pressure sensor that the vehicle does not have DT466E High pressure oil pump Hey guys, I'm brand new here and have a fleet of 466's in 4700 trucks. The high pressure pump will produce 4000 psi when the IPR valve is full fielded. Fort Worth, tx. 2001 X, PSD, 7" DR lift, 37" PJ Dirt Grips, Procomp Extreme Alloy wheels, 4. 0%. Runs rough and smokes. 5h121916 2005 International 4300 dt466 Rough idle. ever since overhaul oil pressure has been high at idle 65 psi, truck has a new injection pump, ipr valve and icp sensor. I have the I have a DT466E with low ICP pressure. Also for: International dt 570, International ht 570. These diagnostics can be used on 2002-2013 dt466 Customer: 1998 international 4900 DT466 no start Codes for icp pressure too high while cranking. 5 MPa (650 ± 70 psi) / 0. Try putting This running test for injection control pressure (ICP) is a good test to run since these specs determine the fuel injection operation. See "DT 466 Performance Specifications" - Appendix A or "DT 570 and HT 570 Performance I NEED THE RECOMMENDED RANGE OF ENGINE OIL PRESSURE AT IDLE AND OFF IDLE AS WELL. Fuel Supply System. APS/IVS (Accelerator Position Sensor and Idle Validation i stand corrected, 335 - ICP SYS ICP unable to build pressure during cranking and 333 - ICP SYS Injection Control Pressure above/below desired level, like nceaglene said, need to troubleshoot the icp system, make sure to check the ipr valve connector and wires, its the only two wires going to the pump, dead head the pump when the engine is cold since thats when it ICP Pressure-800 ICP Desired - 800 IPR = 30-35 After a few seconds of running: ICP Pressure-1100 ICP Desired - 750 IPR = 14 Driving down low - Truck is gutless and smokey down low. Not sure what you are talking IIRC IPR% should be 9-11% at a hot idle but will go up drastically with load. DT 466/230 hp @ 2300 rpm (620 ft·lbf torque @ 1400 rpm) DT 466/230 hp @ 2300 rpm (620 ft·lbf torque @ 1400 rpm) DT 466/230 hp @ 2300 rpm (620 ft·lbf torque @ 1400 rpm) 50 State 2001 Model Year [Engine Unit Code 12NMD] DT 466 Series Diesel Engine Specifications 02 DT466 WHAT IS THE MIN PRESSURE TO START WHILE CRANKING OVER ON THE HEUI PUMP AND MECHANICAL FUEL PUMP By chatting and providing personal info Low ICP pressure, won't start. 5 Cylinder cut out test showed no change from #3,5 and 6 which has a new injector installed. ICP sensor leaking and reading inaccurately; IPR sticking, leaking, or loose tin nut # 7. Customer: 1997 DT466E. Expense the spare ICP sensor and high-pressure hose as essential tools and keep it with other diagnostic tools. More Articles. 37. (2) If set during engine running test, indicates ICP DT466 rough idle/no power I have a 2006 DT466 with rough idle and no power. 45psi fuel pressure. Wayne. Goes down with the Accelerator Pedal increase. If you do a 5 minute recording of the engine running at idle and watch only ICP and ICP desired and the ICP line is very rough compared to desired then I would say one of the pumping plungers is probably bad in the high pressure pump. We checked with a manual gauge as well as the dash gauge-both are the same. ICP is too high and IPR is 14 Driving at WOT - Truck is still gutless. Hard/ No start condition with heavy white smoke. It CAN'T be ICP related because ICP hot will always be less than ICP cold - from a strict mechanical PoV. Pressure at idle Voltage at idle Pressure while cranking after it warm. Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel. 76 T5X 15w40 oil Inspected oil filter, we dropped main caps, inspected / plastigauge bearings for clearance, within spec. First, make sure you have proper oil level. Owner at DJ Wilson. Feb 28, 2011 | 08:34 PM Share #2 cheezit. It has lost some power on the highway. No leakdown on HP oil rail. International® DT 466 diesel engine specifications. Everything seems good good Minimum ICP pressure/voltage. The Cam Sensor has been replaced with an International sensor. Checked pressure at icp port while cranking, jumps to 4000psi immediately. 9 V. Allow the gauge reading to stabilize before Hooking up a gauge to check fuel pressure showed 0 indicated fuel pressure while the engine was running, and would only build to about 5 psi at higher rpm against a spec of 60-70 psi at idle. 93 V Fuel pressure/voltage, minimum 345 kPa (50 psi) / 2. How bad is the misfire? Does it seem like its running on 3 cylinders? I ended up running more tests ans eventually it wouldnt start and build up ICP. The ICP sensor is an integral part of the The exhaust differential readings at idle are very low and at full throttle under load only goes to about 1. 2006 intern. This is the DT MaxxForce which requires 870 psi of ICP to run while the maximum can go as high as 4500 psi. 500psi :thdown: Q: What are normal ICP and IPR values ? A: Cold engine low idle ICP = 806psi IPR 29% A: Cold engine high idle ICP= 960psi IPR 33% A: Warm engine low idle ICP= 585psi IPR 24% A: Warm engine high idle ICP= 735psi IPR 28% I have 2007 dt466 I got a code 124 and 335 replaced icp and that fixed 124 code and now my scanner can read oil rail pressure. DT466 AND ALL INJECTOR CODE COMING LOW TO HIGH SIDE OPEN. 3 hpop # dt466 # dt466 bosch # dt466 fuel primer # dt466 high pressure oil pump # dt466 high I pulled the new IPR valve and screen was broken again already. You should expect to see around 870 PSI and in that range when cranking over the engine or at idle. 2012 international max force DT 466 VIN 3HAMKAANOCL609510, with the ICP low starts out around 700 and slowly drops until Navistar INTERNATIONAL DT 466 Pdf User Manuals. 2 psi +/- . Twice I checked on it and it was idling high, about 1500rpm. 0), from what I can tell the older IPR were the same for the dt466E 95-03 and the t444E. If this iKNow Article is being revised, please type in the text box below what has changed in The CPA Tool is a specialized tool that is capable of detecting cylinder performance concerns during hot idle, cold idle, and a road test. icp at idle should Normal is between about 480-620 with a 5-7% IPR duty cycle. Then after that I got the 335 low icp pressure only getting 110 psi cranking. level at low idle 124* ICP Injection Control Pressure Signal out of range LOW 125 ICP Injection Control Pressure Signal out of range HIGH 131* APS/IVS Accelerator Position Signal out of range LOW If you could post the trouble codes for the later DT466E i would appreciate it. new injector pucks < 725 psi ICP pressure after 10 seconds of Have an 2005 international 4300 dt466. Boost maxes out at 16psi and reads about 25 psi ebp. Understanding Connections The DT466 ICP wiring diagram is laid out in a logical and easy-to-understand format. With its widespread use in heavy-duty vehicles, understanding these issues is I have a DT466E Engine. ICP is low and IPR is at 85 I figured it was a bad IPR so I put in a brand new IPR today. TomcM28. It hasnt been starting for a while. Minimum oil pressure 2004 international 4400 with dt466. Most likely culprits are, HEUI Pump, IPR Valve, ICP Sensor, HEUI leak under valve cover, or even a base oil pressure issue too, if your not getting base oil pressure, you wont get If you do a 5 minute recording of the engine running at idle and watch only ICP and ICP desired and the ICP line is very rough compared to desired then I would say one of the dt466 surging at idle New Topic Reply to Topic Printer Friendly: Author: Topic : td083 Senior Member yea actually that's what I replaced as I checked the history on the bus icp , injectors,icp and so on were replaced , the ipr was original , problem seemed to diminish quite a bit so it being a spare we shipped it . New turbo. Volvo/Mack Master Tech, Certified The function diagram for the IPR includes the following: • IPR • Engine Oil Temperature (EOT) sensor • Injection Control Pressure (ICP) sensor • Manifold Absolute Pressure (MAP) sensor • Barometric Absolute Pressure (BAP) sensor • Camshaft Position (CMP) sensor • Crankshaft Position (CKP) sensor • Accelerator Position / Idle Validation (APS/IVS) sensor • DT466 wont start, no check engine, we changed the ICP pressure sensor under the valves cover and it dosent start since By chatting and providing 2004 IH 4400 DT466 engine: hpop pressure out: 825psi idle Computer says the icp is low: 750 driving Installed new icp. It runs fine all the other times. Won’t restart. ICP pressure is reading 1000 / equaling desired ICP using ServiceMaxx. Hey i am stuck i have a 06 egr dt466 wont build any oil pressure , previous tech said reads 0 , so he ordered a oil pump I installed the oil pump and no start , though very skeptical this was the issue the old one looked fine and couldnt see that as issue if its just a random no start 0 oil psi. 2010 dt466e, no start hot. (Still same problem) put the old one back on and it started again. 69 whether it's at 725 RPM idle or 2,500 RPM rev. Somethings causing the idle pressure to be low - I figure it's either a sticking IPR or o-rings leaking. B. Sure enough, somebody had done a sloppy job replacing the oil pan and all the extra silicone was jammed into the pickup tube screen. 2. Bus started and ran for a short time then died. 3 Fan Clutch, Ravelco, Airlift 5k Airbags and Wireless Air; Edge CTS w/ EGT probe and Fuel Pressure Sensor; 12 MPG slick; 9 MPG towing 11k fifth wheel, KC Turbo Stage 1; Tireminer TPMS 6. The spec for oil pressure is 15-30 psi when running 675 to 800 rpm and high idle 45 to 65 psi. Joined: Oct 2009. 32,454 Satisfied Customers. Unplugging the ICP sensor will cause the PCM to use default values for ICP (like 725psi at idle). Both engines went to a similar injection and computer setup. That can't be right. When 1998 dt466e oil pressure question . I have pressure gauges and fitting up to 10k so i can check pressures when i get pressure. Fuel pressure shows 60 psi at idle. 0. NOTE: If the engine is equipped with a diagnostic coupling, adapt the Fuel/Oil Pressure Test Coupler to the Fuel Pressure Gauge. This drops to 25-30 at 180F and 0 at idle RPMs. DC Values are calibration dependent. International LT 2025 NO IDLE TruckerChick1 posted Jan 20, 2025 at 8:59 PM. This can be accompanied by vibrations noticeable within the cab. The icp needs to be 725 and fuel pressure 20 psi. The new injector was first installed in cylinder one and rotated to rule out. 81% with an ICP of 481 psi. If the oil pressure checks out okay then check for either a wiring problem to the oil pressure sensor or a faulty sensor. Well I replaced the IPR yesterday and had it running idle for a hour then went for a good test drive. I wonder if there is crossover from the second gen 466 to the vt365. High pressure oil @ 1500psi cranking according to manual gauge and laptop reads right on with desired. The ICP % does go up seemingly normally before the code. VIN NUMBER OR ENGINE NUMBER. Run engine at high idle (no load) rpm. From: N. I restarted it and its outside running now. around 70 psi checked my log file its closer to 80 to 85 psi of engine oil pressure before it loses ICP and after: OEM trained in wiring and all engine platforms for over 20 years How to Fix Low Injection Oil Pressure in a DT466 Engine – Part 1. ICP generic fault. 6 psi ebp. Replaced ICP, IPR, CPS, injector o rings, oil inlet adapters (pucks) and one injector that threw a code. ICP pressure needed to start your engine is about 600 psi. Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Understanding the DT466 ICP Wiring Diagram The ICP sensor is also used to diagnose engine performance problems such as misfiring or rough idle. That's with 190cc injectors, ad2 at 68psi, and xrace from Eric. By chatting and providing personal info, you understand and I have a DT466E with low ICP pressure. This one is a 2001. We drove about 3-4 miles back to the parking yard and I let it idle for a little while to cool down before turning off the ignition. 443 Satisfied Customers. NOTE: The mechanic is expected to keep the spare ICP sensor and high-pressure hose for future diagnostics. View online or download Navistar INTERNATIONAL DT 466 Diagnostic/Troubleshooting Manual, Service Manual Injection Control Pressure (ICP) System Components and High-Pressure Oil Flow. The oil rail o-rings were bad causing the bus to not start because of low oil pressure to actuate the injectors. Customer: Our 2006 4300 DT466 has developed a rough idle & vibrates up until 2K RPMs and thinning oil that splashes 5"-6"up the dip stick. These high pressures create problems if there is a leak Continue reading MaxxForce Diesel Injection Control Pressure 2006 International 4300 DT466 - ICP valve removal Discussion in 'International Forum' started by cprems, Oct 28, 2021. Engine Won't Start With Low Injection Control Pressure (ICP) DT 466 and 570 I6 Engines Applies To: International I-6 HEUI engines 1994 - Present. 56 gears, Dynatrac Free-spin hub system, Diablo Predator Test your actual oil pressure with a mechanical gauge. what ipr % should i be seeing at idle and at 2g. You should see 550-600ish at idle and 2700+PSI at WOT under load depending on HP rating and My 2005 International 4300, DT466 started surging or loping at idle and has done it going down the road. No DTCs are being thrown. I have replace lift pump and rock filter By chatting and providing personal info, you I have a international 4700 with a dt466e motor it has been diagnosed with a bad high pressure oil pump and icp. sensor and oil is right there in housing 04/11/2019 : 11:15:05 AM . Now the bus is surging at idle which it did not do before. BE ON A DT466E 2000. The icp is between 800 and 900 psi while cranking, fuel pressure is. Or see if you can read rail pressure with a homemade anything and check the ICP. Data taken at low idle, no load, stabilized operating temperature. I did the reset over and over according to instructions with navistar software,,,,,I actually got a navistar engineer nad told him what was happening. 800psi mechanical gauge on hp line, spikes to 3000 snap throttle, settles to 1600 at high idle, what am i missing? Got an 04 International 4300 with a DT466 (c215) and 6 speed manual. Maintanance assistant at NYS DEC. Truck starts & runs but now I have approximately 1500 psi of ICP at idle when desired is more like 870. Have an 2005 international 4300 dt466. (200-300rpm surge). plicja yhbvh csgms hvt wyipan qzaaa lpbql jobke bhnx cmm