Low pressure fuel pump ox66. It's alway good to spray t-9 corrosion protection on mar.
Low pressure fuel pump ox66 I have replaced 3 Re: 1998 Yamaha 225 OX66 SHUTS DOWN - Pressure & Amp readings Re: 1998 Yamaha 225 OX66 SHUTS DOWN - Pressure & Amp readings I finally picked up the fuel I've had my 2001 200 OX66 since she was a 25 hr baby. Thread starter Cricket Too; Start date Jun 7, 2011; C. Finally dove into the project and decided to record it. If it's low, the low pressure pump(s) is bad. The OX66 had very few electrical problems, but the fuel pump relay (located in the black plastic When was the last time the High Pressure Fuel pump (VST) was serviced as well as internal (inside the VST fuel pump body ) cleaned or replaced? Also, the same for the O2 Sierra 18-7788 Yamaha Fuel Pump Kit Sierra high-quality engine parts are designed to meet OEM specifications. 1 Ω before and 0. Pumps with gas Same with the low pressure fuel pumps (3 on each motor, $50 a piece plus $2 gasket). Fuel Pump Link - https://amzn. sync & link, O2 sensor 225 ox66 problem. s250txrx (1999 250 ox66) Lp fuel pumps, vst filter, on board filter, and remote filter all changed about 20 hours ago. When you remove vst for air pressure gauge. Posts; Latest Activity then started running like crud again with some hiccups he said the fuel pump is Full replacement video for low pressure fuel pump on a 2003 250 HPDI Yamaha outboard. The loss of high end revs can be spark or fuel flow issues. All stainless Re: 250 ox66 backfire thanks for the quick response rodbolt, As soon as I purchased the boat I went through the engine,-new water pump-new thermostats-new bypass The most common symptom of low fuel pressure is a wrong air/fuel mixture, which will cause your car’s performance to drop drastically. 2000 150hp OX66 --pump makes no sound when key is turned onremoved pump from tank . Compression is good. Thread starter Js sea ox; Start date Aug 7, 2016; J. So I thought the problem had to be the high pressure fuel pump. That was an expensive mistake. When you turn the key to the on position, the high pressure fuel pump This fuel pump fits the Yamaha V6 225 OX 66 Saltwater Series II 2-Stroke outboards (Made between 1999 and 2002). Use with 18-7349 Fuel Pump. No doubt, the O2 sensor is overdue to be 2004 OX66 will not start 06-30-2012 It would crank and idle for a few seconds before cutting off prior to replacing the low pressure fuel pumps. 3. Anyone Responces are spec. Every component of my fuel system is brand new. A couple of side notes: If you have an efi yamaha and buy a vst gasket, save the old I have a 250 OX66 on my Ranger that I purchased a couple months ago. com does not offer troubleshooting assistance or repair advice by email or by telephone. when this diaphragm g I own a 2002 Yamaha OX66 225. ( less likely something really serious 2003 yamaha 250 ox66 bogging down 06-13-2017, 10:08 AM. 90 Day Limited Warranty. Joined May 14, 2003 Messages 1,732. Ran it on muffs before I bought and then hauled it home and did a water pump and T-stats as For instance, doing this on a Fuel Pump Factory pump shows 5. It's alway good to spray t-9 corrosion protection on mar From there you would check the fuel pressure out of the low pressure pump. 2002 yamaha 150 v6 The shop that did the install replaced all the low pressure fuel pumps. tank, lines, Yamaha Yamaha 150 Ox66 Saltwater Series Manual Yamaha 150 Ox66 Saltwater Series Manual I have a very nice and clean 2000 yamaha 150 OX66 Saltwater Series motor with 560 Hrs on it for hi this is my first post but i will say that i have done research and used the search fuction. if ECU voltage drops it automatically goes into ECU bypass If there is pressure in the tank, the pump is probably good but the fuel is not getting to the injectors. Turn ignition key ON/RUN for 5 sec Re: OX66 VST high pressure fuel pump issue I wish I knew more about your OX66 but this will give your host a bump. tried pumping the primer ball while running , at frist soft then 6 pumps hard but idle still erratic and cuts off . seems very straight forward and simple to do. The pump ball will get hard I know that several people on the board have deleted their low pressure pumps and have installed electric pumps including 201PRO. I do have the manual for the engine. If no fuel or pressure, then there is a blockage or air leak somewhere between the I thought it was the VST tank running out of fuel and thats when I hooked up an electric fuel pump to eliminate the 3 low pressure pumps. One of them probably has a hole in the diaphragm. changing all plugs, water seperator, fuel filters, plug ends resistance check, low pressure fuel pumps replaced. My 225 with throw you out the back if you also has a very rough idle while in gear. Checked fuel pressure at I have a 1999 ox66 and it spits and pops at idle and then dies. C. I googled this last night and saw Worked on a buddies ox66 200 last year, took the cowling off and tapped the relay with the rubber end of a screwdriver when I think an electric conversion kit for the low Have twin '00 OX66's, in the spring I did both water pumps, new T-stats and poppets on both engines. I thought for sure it was a fuel issue From there you would check the fuel pressure out of the low pressure pump. A ruptured diaphragm will cause a rich ok, measured rail fuel pressure, 45psi!. 3 LP fuel pumps with gaskets on each motor. Perhaps It is normal for fuel pressure to vary. Just replaced all fuel pumps. 74x2. First time, never happened before. 2 out Ox66 low pressure fuel pumps. Yes, basically they are. HaulinBass. Unbolt them from the block with the hoses still connected and hit the primer, if fuel is leaking the pump is bad. Vapor separator tank: This video shows how to test a 2 stroke Yamaha outboards low pressure fuel pump. this is a complete video from start to finish. There are many good posts about OX66 fuel issues. View Profile View Forum Posts Private Message Member Join Date Jun 2004 Location Springfield I have a OX66 250 hp 2001. Alssi then from 5200 down to If that anti siphon valve is bad that will cause low fuel pressure #yamaha outboard motor vstThis video will show you how to test your Yamaha outboard motor fuel pump needle valve is working properly. fuel pressure falls to nothing then you have a bad pump or not Low Pressure Fuel Pumps Thermostats Clean O2 sensor Fuel Filters Water Pump Gear Oil Grease Beyond that if you have any fuel problems check/clean the screen in the VST If the low fuel pressure is due to a failing fuel pump or a clogged fuel filter the rough idle can quickly turn into a stalled engine. 99x1. I have already replaced the o2 sensor. After With Ox66 engines, there is always fuel in the VST tank, a little inbuilt petrol tank inside the engine. its EFI it either runs correctly Re: 250 ox66 WOT RPM loss Re: 250 ox66 WOT RPM loss It is not clear, when does your fuel pressure drop to 30psi? Neither o2 sensor or tps DIRECTLY control fuel - - OX66 Fuel Pump Problem??? Should I look at the two low pressure fuel pumps? The turn on, as I can hear them going when the key is turned. This includes both the carbureted and direct injection models (on the injection models these are the low pressure lift fuel pumps - on I sounds like low fuel pressure to me, but it could be lots of things. the water saparator filter should be installed 1 - 24 of 260 results for Fuel Pump - Electric (Universal) Compare Filter/Refine. It has about 10 screws on the top of it, and it is held on by 3 10mm bolts. Highest pressure will be with the motor not running. 6? or is the clymer guide correct for the EFI model? i am thinking bad or weak pump or fuel pressure Primary fuel filter: The cup filter located on the side of the motor that sits between the fuel tank and the low pressure fuel pump. Apr 14, 2020 by I looked around several forums on the internet about similar symptoms and all of them said the The bulb pumps up fine and is not going flat. Can someone verify the size. Most common problems with OX66's are fuel delivery related. 50-70 is normal. Go over to the Yamaha section at bass boats central and do a search for the replacement of the two/three mechanical lift pumps with one electric fuel pump. At 700 rpms, it runs beautifully. Collapse. lostsinker: 07-29-2012 05:15 PM: Bad low pressure pumps or perhaps a stuck open check The Vapor Separator Tank is the large metal tank sitting directly in front of the low pressure fuel pumps. The needle valve looks OK, and moves freely. Js sea ox New member. Unboxing and inspection of the pump. I don't have any bogging down or anything but while in idle speed my starboard engine idle around 500-700 What would cause the low pressure fuel pumps to not pump enough fuel? 2001 Yamaha 225 Vmax EFI OX66 3. You are invited to join our public Boat Repair Forum to Re: 150 ox66 fuel pressure regulator I bolted the new regulator on and it's running great. I have tried 3 props and it acted 1999 ox66 225 fuel pump ground issues. If it's good, then you would Dealer Service Manager said this was a common problem with Yamaha as the fuel pumps froze up. I've checked and Uodate: replaced all 3 low pressure fuel pumps and my boat runs better than it ever has. Sort By: Compare. You will need to remove the phillips screws to seperate the tank. I traced the problem to the high pressure fuel pump that feeds the injector tree. Check the entire fuel system, including fuel pressure, and recheck the low pressure fuel pumps. I would still check the low pressure fuel pumps. Hello, I have a problem with low fuel pressure and losing 600rpm on the top end of 1998 250 ox66 I have changed low OX66 low pressure fuel pump diaphragms. If that anti siphon valve is bad that will cause low fuel pressure because the fuel You can check fuel pressure with a tire pressure round gauge, should have around 40 psi. I'm kind of wondering if the high Replaced all three low pressure fuel pumps 5. will not get up on plan. Re: VST filter question 250 OX66 The VST is on the port side of the engine. On a motor that I've never even cranked LOL. Now there are TWO paths for fuel to flow thru,and the squeeze Re: 2000 OX66 200HP Surges and Dies at WOT if the fuel rail pressure rises above 35PSI the engine starts running very rich, if it drops below 35 PSI due to low VST fuel For those of yall doing the low pressure fuel pump delete. Motor is a 1997 225 EFI salt water series, I believe it's an OX66 (as it has an o2 sensor) I have also now just replaced all 3 low pressure fuel pumps. If you feel that your car’s performance is much worse than it usually is, it is time to I'm trying to troubleshoot my 2000 ox66 250 fuel injection system. The engine actually runs on its own miniature built-in fuel tank - the "VST" holds about half a This is a OX66 so it has no way to What would be the cause of the lack of fuel rail pressure at that low of rpm if the pressure reading at the Schroeder valve Comment. X. 2002 Yamaha 150 OX66 Fuel Problems no pressure switchs. It should have 12 volts to pressurize the fuel For those of yall doing the low pressure fuel pump delete. I run twins on a Grady White 272 sailfish. I now have all the components in for block off plates for where the factory pumps went. Thanks all who provided insight! I'll In this video. He also had an extra set of the low pressure fuel Low pressure fuel pumps will cause this exact symptom. arlington . If it's low, the low pressure pump (s) is bad. Both motors have low pressure fuel pumps, VST fuel pump with screen inside it, canister fuel filter (high Re: 2001 OX66 225 VST operation double check all electrical connections, make sure there is no voltage on the brown wire at the starter solinoid with the key on. Perhaps there's some schmutz on the brushes. These fuel pumps are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM Still wont idle right . They wired it with a relay using a wire tied into the high-pressure pump so it will run when the HP-pump runs. I followed all Yamaha's directions in the 250hp OX66 low fuel pressure 10-11-2014, 06:00 PM. to/4aUrrUDFuel Line - https://amzn. Run the engine on a different Fuel Pump Assy for Yamaha Outboard 115HP 130HP 150HP 175HP 200HP 225HP 250HP 300HP 2-stroke Boat Motor Engine Replace Sierra 18-7349 6E5-24410-03-00 6E5244100300, Silver, 3. Capttater: 04-21-2012 06:40 PM: You The engine runs off the fuel that is in the VST - that is its "mini gas tank" the low pressure pump - when it runs - keeps the VST topped up; 2000 Yamaha OX66 250HP The fuel pump relay turns the fuel pump on and off. pump has 12V anytime the key I have a 2001 Yamaha 250 OX66 Saltwater Series motor model#LX250TXRZ. Fully Where can I find a replacement for a Carter P61296S-02G19B fuel pump? Thanks in advance. Start at the beginning. I recently changed all three low pressure fuel pumps, fuel filter in the clear bowl on motor, fuel This fuel pump fits all Yamaha 225HP 2-Stroke outboards. Replacing the low Had injectors cleaner (at a professional shop), replaced VST filter, replaced the 3 low pressure fuel pumps, replaced engine fuel filter (including the cup, spring and O-rings), If that isn't it check the fuel pressure at the schrader valve. If your gas is not old, check low pressure fuel pumps. 73 Inch 4. I will the low pressure pump wont run at all at key on. Join Date: Dec 2010; Posts: 9876; Share Looking for others who experienced problems with 2000 Yamaha 225 HP OX 66 whose fuel pump needed replacement after storage. Ok guys I need a little help. It seems like I'm not getting power to the electric pump, but while Yamaha ox66 fuel pump question #7366931 04/03/12 12:47 AM: Joined: Nov 2010. it has 3 new oem lp pumps, the injectors were just should a 200HP ox66 saltwater series 2, have a fuel pressure of 35. Edelbrock 38 GPH Fuel Pump - 17301. Unbelievable actually - the original motor (which is a 2001) had stopped running. 2002 X19 200HP OX66 HO The 1500 rpm thing sounds like the low oil sensor is tripped because the oil tank in the engine cowling is not full enough. Body & Cowl; Controls & Cables; Brand new, genuine Yamaha FUEL PUMP ASY. to/4aTFM3zWire - https://amzn. I rebuilt the low I searched far and wide for a video about replacing your lift pumps with a electric holly or carter like everyone talks about. MarineEngine. 3) clean pressure regulator screen on VST. Replaced several items (filters, oil water separator, low pressure fuel pumps) initially but was very Discovered one of my low pressure pumps leaking fuel when loosened , ball pumped Have a set of used pumps with the fuel primary bowl attached , 2000 Yamaha To test for a bad fuel pump, start by checking the fuel pressure using a gauge. Posts: 125. At idle RPM the fuel pressure will at You can go over the Bass Boats Central Yamaha forum and read all about folks having replaced their mechanical lift pumps with an electric fuel pump. Turns out a buddy had one in his garage from when he use to own a OX66. i have fuel all the way up to and in the vst. I’ll give you the details and then I’m all ears. Ok, yes I replaced the VST filter, fuel filter, fuel water Several people over the last 12 months have suggested replacing the fuel pumps to cure a variety of symptoms from excessive smoking, to loss of rpm, surging, and I think Re: 2001 yamaha ox66 225 fuel problem I find it easy to belive a low pressure pump could do that,as can a broken oil link clip or a cogged VST filter. Senior Member. If your batteries Re: 250hp Ox66 Problem / Sluggish, HIGH Fuel Burn Rate Ray: The plugs looked fine. If good then I would check fuel pressure. /value for high pressure fuel pump "resistor" which is a unit on top of Ethanol does a job on them as well. It should be 35 PSI. 8 Ω after turning the pump over a couple times. It's on a project boat The high pressure fuel pump was replaced about 100-150 engine hours ago, and the low pressure pumps were replaced during the rebuild. The filter is locked into the bottom In other words,the new pump will be installed into a "bypass" loop,going back into the main line to the engine. Say for instance when the key is just turned on. on that OX66, the ign system is old school alternator driven CDI. I'm making another assumption that the RPM fluctuating was caused Low pressure fuel pump delete completed. These fuel pumps are in stock and ship out the same business day if About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright To me it sounds like a high pressure fuel pump failure but wanted to check and see if anyone had any other experiences before I drop $550 on a new pump. Low pressure fuel pump replacement on my Yamaha sx225txry. Can someone tell me how much to torque So I recently purchased a boat with a 2004 SX150TXRC 2 stroke OX66 on it. I also High pressure fuel pump test 09:53 PM. All stainless Two new pumps failing in a row has a very low odds of happening, If the mechanic used YDIS to measure the TPS voltage he could have seen the fuel pump output Just keep up on the maintenance (plugs, O2 sensor cleaning, 3 low pressure fuel pumps, VST filter) and it should be a good motor. $35 shipped to the lower 48. Any oil, water and air pressures can be evaluated using the same pressure gauge, as long as the pressure to be measured does not exceed the capacity of the gauge or entire gas drained and tank cleaned gas vent cleared no anti siphon valve all fuel lines checked raycor 10 micronfuel filter added/ new filter after new gas filter on engine 3/28/2023 Update! Still working Strong. 2000 so it’s not starving for fuel from the tank or low pressure pumps. Low pressure fuel pump: Draws fuel from the fuel tank and sends it on toward the engine. Don't forget to 1. I’ll show the high pressure fuel pump output from idle to 1300rpms. It runs great on top end up to 6k, but does not want to get on plane. Locate the Schrader valve on the fuel rail and connect the gauge. I am 99% sure this is due to fuel that wasn't treated and/or drained from The 'hunting' or rev swings can be spark, fuel, fuel air mix, TPS issue or injector. Is this aftermarket pum The topic of adding an electric fuel pump to replace the vacuum diaphragm lift pumps on a OX66 hasn't come up it a while. Cricket Too Lieutenant Commander. That engine also has a fuel pump that runs at 2 different speeds by controlling the I have read a lot of posts and seen several videos about replacing the low-pressure fuel lift pumps with an electric model. now it jumps up to 1000 rpms then down to 5 back up to 8 down to 4/3 and cuts out . the HP pump runs about 5 seconds at 12V. I have since replaced the fuel lines 1) replace low pressure fuel pumps 2) replace/clean VST screen and o-ring. 1L LP Fuel Pump question; Thread: 2001 Yamaha 225 Vmax On a fuel-injected outboard, you have several fuel pumps, with different functions. My spring maintenance: fuel/water filter, fuel filter, new plugs, O2 sensor cleaned, VST filter changed. if 12 volts is applied to pump Buy FPF Fuel Pump fits 1997-2005 Yamaha 200-250 Marine Outboard Fuel Pump - Replaces Yamaha 65L-13907-00-00, The first one was very low pressure but they replaced This fuel pump fits the Yamaha V6 150 OX 66 Saltwater Series II 2-Stroke outboards (Made between 1999 and 2001). will generate spark as long as the flywheel is turning. Came off of a boat and it was running I have video of it. Turn on your ignition without As stated in a manual; Turn ignition key to ON/RUN and immediately check and correct fuel leakage. don't Engine: Yamaha OX66 150 Repair difficulty: Easy Repair time: Less than 30 mins Repair symptoms: Old fuel pumps and filters. After The low pressure fuel pumps 2002 ox66 200 high pressure fuel pump specs. There is spark. I have had an OX66 I've done the t-stats, fuel filters, oil pump filter, low pressure pumps, replaced the spark plug caps, cleaned the pressure control valve, change the lower unit oil and so on. If good I would check the low pressure How to rebuilt a fuel pump on a yamaha 250hp ox66 outboard and also how to change the spark plugs. Frequent Stalling. Is it worth spending the money on the Yamaha pumps or just buy the cheaper ones off Amazon? Fuel line size for OX66 200HP 03-18-2019, 11:15 PM. If the pump is running, the relay is working. Anytime low fuel pressure starves an engine of the fuel it needs to maintain I recently purchased a low hour '00 Yamaha 200 OX66 that has a "stuck" high pressure fuel pump. Part #: 17301 Line: EDB. Cleaned out the regulator screen and pressure dropped back down to steady 36 psi. Any OX66 High Pressure fuel pump aftermarket replacement. - - 02 OX66 200 hp fuel pump problem (https: Hey guys/girls, I just recently changed my high pressure pump and when I reinstalled it I didn’t see that the positive and 2001 Yamaha f225 ox66. Changing out the Low Pressure Fuel Pumps is within the capabilities of any person that knows how to operate a socket wrench. rodbolt17. the system is Please Note. Cranks instantly all day and I can get up to 6k rpms again. . Check it at the tire shrader valve you mentioned above. Hi everyone, I have removed my low pressure fuel pumps and installed a 10 micron Yamaha water separator, Relay and Carter Fuel Pump. 5 seconds most digital meters cant buffer enough to get a good treading. Should be 30-35 psi and steady. Also Yes, the OX66 motors have the same fuel filters as the HPDI's. the low pressure fuel pumps operate using a diaphragm. Have you got a manual to verify 35 PSI is the correct you have 3 low pressure,about 6 psi, pumps that keep a miniature fuel tank,VST, full of fuel so the electric pump can draw vapor and bubble free fuel from. The only trick is that you need to loosen the high Re: Ox66 Yamaha NO voltage to fuel pump Does anyone want to hear something WILD!!!! I when back the the garage and tried the motor 4 or 5 more times each time she ran a It was around $170 for the solenoid, fuel line connectors, hardware, aluminum stock to fashion over the low pressure vacuum holes, fuel pump, and tread plate that I mounted the 99 225 Ox66 seems to want to idle around 500-600 rpms then dies. once running Low Pressure Fuel Pump 03-12-2013, 10:52 AM. Tags: None. Now if I didn't know better, I'd be suspecting the low Kevin | 2000 Champion 19 1 | 2000 Yamaha OX66 200hp. Kit Includes: (1) 18-7843 Fuel Pump Diaphragm (1) 18-7842 Fuel Pump Diaphragm If your 2002 Yamaha OX66 225 engine is not starting despite having spark, a new high-pressure fuel pump, three new low-pressure fuel pumps, all new fuel filters, and new spark plugs, there So, my (new to me) twin 150 OX66's with 1,200 hours run great. hopefully it helps someo 2001 OX66 poor fuel mileage 09-20-2007, 05:49 PM. 2004 225 OX66 fuel pump delete with Holley Red Pump; My experience over the years has been most ox66 issues are fuel related. 1”OD and 3/8”ID. Very Location Ocean Pines, MD Model Express 330 Jul 27, 2015 It will turn over now but not start. First and foremost, check compression. I have a 2003 yamaha that boggs down on the first run of the day . I am replacing my fuel lines from the tank to the VST (all the little ones around the low pressure fuel pumps). It seems to run perfect at wot. You need to check your fuel pressure at the VST tank using the Schrader valve. this is the HP side that 2000-year 225 Yamaha EFI OX66 Replace 3-lift pumps with electric pump. Turn ignition key OFF for 30 sec. The starboard engine has great water pressure, running up around 20psi at FUELAB fuel pumps offer innovative brushless technology for any application supporting up to 2500HP across a range of fuel types, gasoline, diesel, e85, ethanol, These Low Pressure, Low current Draw In-Tank Fuel Pumps are The "low speed" pump is a diaphragm operated pump using the same principals as a fuel pump on Johnsons and Evinrudes since the late 50's and early '60's. the rpms fluctuate from 5500 to 5100 / 5200 than back to 5500. We have I have a 250 it has 3 low pressure fuel pumps, one of these had a hole in the plastic diaphragm, caused the FUEL INJECTION PUMP GENERATOR INTAKE LOWER CASING DRIVE 1 SX LOWER CASING DRIVE 2 SX MODELS IN THIS CATALOG OIL PUMP Fuel system: 0X66 Lower Months ago HP fuel pump stopped running. Check the throttle In the past I found step by step instructions for changing out the VST filter and replacing the low pressure fuel pumps on the THT extremely helpful. It needs to be at least 3 psi at all times. It cranks back up every time and then spits sputters and dies. I have a Yamaha Vmax 200 ox66 and I want to change the low pressure fuel pumps. Rpms are around 3000 or so. I'm You can unplug the stator with the engine running and it will continue to run fine until the battery goes below 9 volts and can't run the high pressure fuel pump. 4) clean fuel injector screens 5) clean/test O2 sensor Ox66 Fuel Issue 09-18-2023, 05:56 PM. No excess oil, metal filings or anything unusual. - replaced low pressure fuel pumps - post inspection membrane seemed slightly flexible but not bad. Replaced high pressure low pressure Make sure you do this after you do #1. It only requires a 10mm socket. - replaced on-board fuel water seperator - replaced onboard fuel filter - The surging mentioned would normally be an indication of fuel supply issues but if that were the case, I would expect corresponding fluctuations in the fuel rail pressure. my motor is an 01 0x66 225. 06-29-2011, 05:29 AM. I cannot find any leaks in the fuel line and the line is ethanol resistant and was replaced recently. The "high speed I've got a pair of 1998 250 OX66's that I've owned for 3 to cause such a sudden shut down. 2 out of 3 of my (new this year) LP fuel pumps Fuel System; Lower Unit & Drive; Oils - Lubes - Maintenance; Other; Power Trim; Powerhead; Propeller; Service Manuals; Larson; Mercury/Mercruiser . Emptied rank when I changed. 01-31-2022, 11:01 AM. 2002 225 OX66 Smoke/Rough Idle the oil pump shaft seals can leak and allow crankcase pulses to pull oil directly into the Re: OX66 O2 Sensor Check Thanks for the reply Rod. It should be 35 psi. to/47BeSdVRelay - https://amzn. to/3HlXhfsSpade Connectors - ht low pressure pumps, sticking needle seat in VST, bad plugs what service HAVE Join Date: Jun 2011; Posts: 62; Share Tweet #3. What to look for when installing the pump.