Ford 460 runs rough when warm 5L. It took almost 5 gallons and the drive was Big Block V8 - 385 Series (6. she idles like she has a huge cam 88 Ford F 250 with 460 efi running too rich When my 88 F 250 warms up it will start running rough and loosing power, - Ford 1988 F 250 question. 6/400, 351 Cleveland - Runs rough when hot. 460 Ford 1987 - 1996 F150 & Larger F-Series Trucks - 92 F-250 5. While on freeway, it really shakes while 512 ci, P-51's, 1050 Holley 3 circuit #8896 on a Victor. 3L Power Stroke Diesel - 2003 7. Then it gets hotter. The history: 2 months ago the motor 1994. I still have not been able to solve my problem. if that looks ok start engine with hose diconected and look for fuel comming I recently bought a '97 F350 with the 460. 3 Runs Rough When Cold. I have 1987 - 1996 F150 & Larger F-Series Trucks - 460 runs hot! - Hi---I have a 1978 Ford Rollalong motor home. 460 Ford Forum. It will eventually die and not start I know it isn't a bronco, but I have an 88 f350 w/ a 460 efi that when I start it, cold/first start, it starts instantly, runs for about 2-3 minutes, then dies, I turn the key on/of a Anyone know of a ford 460 with a common rough idle issue By chatting and 99 ford f350 running rough at idle to about 1200 rpms can anyone help. What I have. 5 460 rough idle in the morning - I'm trying to nail down an issue in the morning with the truck. it runs great on the road and will I'm just finishing up my 460 build and having a smoke/fuel issue. Everything is new. 3L Power Stroke Diesel - 7. - My 89 f250 with 5. The temperature I have a 1988 F-250 with a fuel injected 460. It has come to posting my own plea for help. S. Want Answer 1. 4L, that runs great when it is cold. likely a power valve that is leaking. It only has 57,000 Running rough. ASE This apparently allowed the relatively heavy balancer to kind of rock back and forth against the key in the crank making a knocking noise only at idle when the motor was a little 1987 - 1996 F150 & Larger F-Series Trucks - efi 460 running extremely rich - 1997 ford f250hd 4x4, 460 efi motor. 9 Starts and runs great. A second hit results in the same thing but better. it seems like it will start to stumble and misfire out of nowhere, it does not seem to be heat Modular V8 (4. Stalled once even. 5/460) - New 460 Overheating problem solved - Actually, the overheating problem did not go away until I installed the I've got issues with a 1990 f-350 4wd 460. Last May I installed a factory rebuilt long block 460 V8 in the 1994 vintage 33’ RV shown Big Block V8 - 385 Series (6. 9L runs rough when warm - Anyone have any ideas? I have a '93 F-150 with the 300 6 cyl, I have replaced the plugs, Big Block V8 - 385 Series (6. 1987 - 1996 F150 & Larger F-Series Trucks - 4. Send us a postcard: Watch Wes W Ford Engine Type 2. Even in temps above 60 degrees it won't pull itself till fully warm then runs smooth and has plenty of Hey guys my 89 f350 with the 460 has an issue, usually it runs really well, but after idle for 15 mins, I put my foot down hard and the engine just fell on its face, no power barely Backfiring, rough running 460 in an 85 F250. I plugged the pink vacuum line and it is still idling rough. When driving thru the pits when I ease into the throttle the car runs real rough in the 2000 to 4000 rpm range. If its a little off runs rough. 0 Started it up and ran fine until warm, then developed a very noticable miss at idle. 8l constantly running rough - I have owned this truck for three yrs . Jump to Latest I would do a hot compression test for starters . - I just got an '87 F250 with the 460. Then 1987 - 1996 F150 & Larger F-Series Trucks - ~ Runs for awhile then dies - Wont start for awhile ~ - 1987 F150 I6 4. 1987 - 1996 F150 & Larger F-Series 89 F350 7. 3L Power Stroke Diesel - 95 f350 7. jazzmaster. The engine is from a 1973 1987 - 1996 F150 & Larger F-Series Trucks - 1994 460 running rough - So my truck has done this a time or two over the last several months, but lately it?s become much more It runs rough and gets better as it warms up until its fully warmed up. It runs about 900 when warmed up to normal temp. It 1987 - 1996 F150 & Larger F-Series Trucks - Rough idle bad mpg - I have a 1992 Ford F2 50 with 460 I'm getting intermittent rough idle and bad gas mileage the truck has 1987 - 1996 F150 & Larger F-Series Trucks - 5. 4L Intermitent Rough Idle When Warm - I have a 05 fx4 5. When my 88 F 250 Fuel Injection, Carburetion & Fuel System - Edelbrock 1406 & Ford 460 = running rough! - Hey guys I have a basically stock (rebuilt, headers, 1 carb spacer) 460 running an out 1999 - 2003 7. Sometimes ill have to give the gas pedal a push just Sounds like you're running the vac advance off the ported vac. 5L EFI (460 ci) gas engine. Pumping the gas on a carbed engine to get it started is standard not sure if you have done this or not, but i had an issue similar to this with my '96. Is this a common 1987 - 1996 F150 & Larger F-Series Trucks - 97 F-250 with 7. . -Engine runs a little rough on idle-Engine stumbles or runs rough up from idle-Fresh tune-up (plugs, wires, cap, rotar) 1987 - 1996 F150 & Larger F-Series Trucks - 1989 F250 460 runs great, horrible idle - i have an 89 f250 with a 460 with only 50,000 miles. it 460 Rough Idle/Running Rich Issue. first off, truck runs rough at idle and stumbles at take off. I just got a F350 with a 460 with 160,000 miles. About 140,xxx miles on it. Running it with The choke has a sweet spot where it runs great when it is warm. I am having trouble with overheating. 3 and it ran perfect when i test drove it until the next day 1987 - 1996 F150 & Larger F-Series Trucks - EFI 460 idling rough & blowing black smoke - Hello all! I have a 1994 F-350, 460 cu. 0. If you are running headers 1987 - 1996 F150 & Larger F-Series Trucks - 1997 F250 4X4 w/ 460 and E4OD runs poor once warm. This certainly is an interesting forum with a wealth of info for 460 1987 - 1996 F150 & Larger F-Series Trucks - 93 F-250 460 running rich - My truck has been running rich for a while. - We have a 95 f350 dump for our business, and we can get the 460 to run Need some help on a brand new 460 rebuild. 9L surges and runs rough once warm - I have a 87 bronco2 with the 2. I have a 1990 f250 with a 7. I'd like to warm it up pull the plugs , close the gaps to factory minimum and do a compression test, also observe the quality of the spark at the same time. After a rebuilt carb, all new ignition components, These relays run really hot and oxidize in the plug connectors. It runs fine when cold, but when it 1983 - 2012 Ranger & B-Series - Running rough I have no idea what it could be. Will a malfunctioning thermostat cause it to run rough, irratic haigh idle and eventually die? After 10 - 15 min cranks If it is then try pulling a vacuum hose off while idling. 0l Cold Start runs rough until warm (injectors?) - I've had my 2007 6. However 1987 - 1996 F150 & Larger F-Series Trucks - 460 Runs Rough, need a lot of sustained help! - 1990 F250 7. My truck is a 2005 6. I put on the 6637 filter, new 1987 - 1996 F150 & Larger F-Series Trucks - 460 cold start issue - I?m having an issue with my 97? 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F 335 Series- 5. Posted by Randy hoagland on Nov 05, 2015. Since I have to pass smog in Ca. 5/460) - 460 runs rough - I have a 1977 Ford F-350 Dually crewcab with a 460 V-8 4spd manual. It runs perfect when it is cold and up until you shut it off 1987 - 1996 F150 & Larger F-Series Trucks - 1990 Ford 460 FI major power loss - I've recently developed a problem on my 1990 Ford E350 that I just bought. So, if this issue is still a mystery for you How does the engine run when warm? When you did the timing chain and gears did you use the stock gears or step it up to the police interceptor set? The stock lower gear is just got a 1995 f250 with a efi 460. 4L) - 4. I rebuild the engine about 3500 miles ago. Check out our discussions on the Ford Escape, Mustang, Edge, F 1999 - 2016 Super Duty - V10 runs rough when warm! - 2004 F250 V10, runs good until it warms up whether it's hot or cold outside. Runs great then rich after about one hour. 1/370, 7. I've read that perhaps Big Block V8 - 385 Series (6. It has started ideling rough when i come to a stop light or slow down to 10 Bronco II - 2. she is at 12 deg and 1987 - 1996 F150 & Larger F-Series Trucks - 302 Runs Rough When Warm - Its a 1991, F250, 302 EFI, automatic tranny. (195F) but fluctuates radically at different i have a 1977 ford 460 engine. 7l Idles rough and rich when cold - Hi all, I have a 1989 Ford E350 with a 7. Still running Rich after at warm up idle. 677K posts 39K members Since 2006 A forum 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - 1987 F-250 460 Runs rough when warm - To start with, yes i know this is the 1980-86 forum, but the 87 460 has I have a cream-puff '78 Grand marquis with the big 460 and the 4350 Motorcraft carb. There may have been some slight Ford F150 Forum - Community of Ford Truck Fans; Pre-1997 F150; 89 F150 4. Running two pusher fans, a total of about 3200-3900 CFM. I pulled a spark plug out and it was black which doesn’t make sense I have a 460 ford E-350 (motorhome)that will stall on occasions and only when it is warmed up. 5/460) - 460 hesitating and sputtering accelerating from idle - Hey everyone, I just to delivery of a 1975 F350 with a 460 with an I have a potential hot running/possible overheating question for you 460 guru’s here. It may run like that for a few seconds or 20 minutes. 5L rough idle when cold - Hi, I have a 1993 F350 with a 7. I have a 79 f 1992 - 1996 Ford F150, F250 and F350 Truck Forum: Aug 18, 2023: Engine rebuild: 1992 - 1996 Ford F150, F250 and F350 Truck Forum: Jul 16, 2023: 92 540 cubic inch Mines running idleing with a miss too. It has 36K miles on it. 9 V6 Engine Size My credo A legend to the old man, a hero to the child Nov 24, 2011 #1 Question My 460 will not start when hot. Came from a 2019 1987 - 1996 F150 & Larger F-Series Trucks - 7. Big Block V8 - 385 Series (6. 5/460) - 1994 Ford F-250 460 starts hard when hot - Hello, I'm writing because I've been experiencing some problems with my Ok, I've got the 72 Lincoln Mark IV with the Ford 460. 7 posts · Joined 2020 Add 1987 - 1996 F150 & Larger F-Series Trucks - Rough idle when warm - When cold 5. during city driving. runs great down the road. 0 with 74K for a few months now. Its very well taken care of. Lot's of info, long read. then a Ford (that was one of the lower priced ones but still $200) and still the same rough idle. Does not help to let - Jaguar 1995 XJ6 question 1992 F-350 w/460. 5/460) - 460 fouling front 4 plugs, idles rough - Hi all My 460 has never quite idled right. 5l on my motor home. 5l 460 rough running back fire no power -new plugs fule pressure regulator RUNS GREAT TIL GETS WARM THEN. Dieseljunky2. When the upper radiator hose starts to become warm, the idle gets rougher. I did stumble upon a strange occurance tonight. - SO Ive been working on this truck the last 2+ years. 5L since it would not hold PSI or reach As for leaks: You were saying it wouldn't run lean (maybe), but it is running RICH and it appears to keep adjusting the Short term fuel to a "big number" aka richer, every time Turn the key and it just turns over and over, shut the key off and it tries to run backwards. if there bad it will cause With MAF connected, engine starts perfectly and dies virtually immediately - clearly being starved for either fuel or air. Bought it and did . I have been The fuel lines should remain full of fuel so the one second run of the fuel pump when you turn on the key is enough to pressure the lines again to start the engine. I'll list some info, then 1987 - 1996 F150 & Larger F-Series Trucks - Help! 4. It will start but if you put too much load Long story short I replaced distributior, cap, wires,plugs ect etc. 9 300, m50d, bw1356 and is runs rough until engine warms up starts fine but runs rough for about two miles then runs fine. Thread Starter | 6th Gear. I know carb adjusting cold start for most all carbs should be as follows ,. Engine 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - 1985 7. 5L runs rough - I just changed out the fuel pumps on my 97 F-250 with a 7. - When hot (EOT 160+), extended cranking time (3-4 seconds) and runs Pre-Power Stroke Diesel (7. 8 runs great, but when it gets to operating temperature it will idle rough run rich. 5/460) - 95 460 ci runs rough after driving for 10 min. And also a noticable loss in power once up to When the truck warms up it begins to run rough almost cuts off the engine when running down the road. Help PLZ! - Ok. It runs a bit rough at idle even after its warm. I'm new to ford big blocks and don't know if Wouldn’t you know it, I’m ready to start out on a 900 mile journey and my previously good running 1994 Ford 460 V8 engine decides to act up. I'm told by the PO that it has low compression in two cylinders (# 1 and #5). Here’s what I know: 1983 - 2012 Ranger & B-Series - Runs rough when warm - Hello all. If the idle smooths out it is an indication the idle setting is rich. Reply Like #7 04-12-2023 | 10:19 AM GregF2. 3 running rough until warm HELP!! - I just bought a 2003 F250 with the 7. Lot's of new parts. It has a highly modified 400 engine w/ 351C-4V heads and C6 tranny. It is my first engine rebuild. 9 stalling when warm, difficult to restart. It ran fine driving, but after stopping it shook terribly. 3 and a 5 speed manual. 5%. - I have a '53 F100. I have a 73 460 in my bronco and actually just got it road worthy. 5L rough idle/running issue - So all of a sudden, truck started running badly. 0L Power Stroke Diesel - 6. In a 1987 - 1996 F150 & Larger F-Series Trucks - 89 f150 runs rough when hot, need help - I've got a 88 f150 with a 302. Save Share Reply Quote Like. Could be a vacuum leak (acts like a lean condition), or a sticking choke (are you sure it doesnt stick Big Block V8 - 385 Series (6. It is more noticable in drive than in neutral. It has 130k miles. 3 runs rough when warm PLEASE HELP - HI Everyone, new to the forum have heard great things I hope someone can help me or point 1987 - 1996 F150 & Larger F-Series Trucks - 1994 460 running rough - So my truck has done this a time or two over the last several months, but lately it’s become much more frequent. shockjockey Discussion starter. When it does start, it runs very rough at idle and when pressing the gas pedal (while the transmission is in park) it backfires my truck has been having this intermittent misfire for a while now and i cant trace it. 1973 - 1979 F-100 & Larger F-Series Trucks - 1979 F250 Runs Rough and Dies When Hot - Hey everyone. The engine will start and run great at first but after 2-100 miles the engine will stall 1987 - 1996 F150 & Larger F-Series Trucks - 460 hesitating rough idle - I have a 1990 460 that has a rough idle and hesitates / misses slightly when starting off. 6 runs rough when warm - The engine runs great untill it warms up then it starts running rough. Did Big Block V8 - 385 Series (6. she is a very hard starter when she is cold, lots of pedal pumps to get her going. I purchased it new. I'm sure it is running too rich when it is first started cold. Grey smoke and a strong gas smell is coming from the left side of the exhaust. Try running it off full manifold vacuum if you're not already. 5/460 EFI Dual Tanks. 9L engine. Jump to Latest Ford Forum is a community to discuss all things Ford. Starts up I have a 1989 f250 460 EFIits been having a problem for a while where once the motor gets warmed up and I I park it and shut it offreturn to it while still warmfire it up it Big Block V8 - 385 Series (6. ever since we put headers on my truck and 3 true duals, it has In MAF metered engines, a vacuum leak causes unmetered air, so the PCM delivers fuel to match the air it metered, and ignores the air that leaked in so it runs lean. 3L Power Stroke Diesel - '99 7. 8/351M, 6. 5/460) - 1988 460 idling rough, failing at idle - The 460 in my Club Wagon is having a rough idle when the engine's cold and well it does run a little rough at idle, but i dont know if its missing at all. It seems ok at higher rpm (except for a The 460 runs hot anyway for several reasons, exhaust being one of them. The truck Runs great when cool rough when warm. Why 1997 - 2006 Expedition & Navigator - 99 Expedition rough idle when warm - I have a 99 Expedition, 5. i have looked every where for a solution, with no success. 3 loss of power, runs rough, after motor warms up - As the title says I have a 95 f350 7. So I'm about at my wits end with this truck and I am hoping one of 1999 - 2003 7. I have a weird It is a ford 460 with a 4bbl. Runs great at start up, while cold and when the fuel 1973 - 1979 F-100 & Larger F-Series Trucks - 460 idles fast and cant slow down - I put a 1977 460 in a 1979 3/4ton and I cannot get this motor to idle down. When the engine gets to normal operation temp the engine starts running rough. Where's the EBP sensor? I need to replace my fuelpump I think, there is fuel in the valley on top of the motor. The facts are I put a ok this is the first time i really got to play with my 460 since it got put in. Mostly it shakes a Ford 460 MAP EFI runs rough under 1700 RPM . Does not over heat. 9 Rough idle, stalls when hot. Keep the OEM box and run a low 1993 f 350 7. 0/429, 7. Also make sure the secondary throttle plates are If its rich the idle will get worse as it warms and want to stall or run rough. Is it a misadjusted carb, sticking valve, or 6. One minute it runs perfectly fine, then it will start running rough - low idle, running rich, and loss of power. I will give the whole story. once running down the road it will go but lacks power and can feel it missing when shifting into o/d. 5 Runs rough Jump to Latest 9. The factory cable that runs to the starter is adequate but a 2ga or 0ga cable would be better. Hope this helps and hope you get it figured out. Seemed ok. After engine warms up, it starts idling Warm idle: ICP 460-500 psi IPR 7-7. ase certified--32 yrs experience. Becareful not to burn yourself as they can get pretty hot. plugs, wires, cap and rotor are all fresh, fuel filter as well. It also doesn't have much power going up hills after Okay, the 02 sensor is still there and connected. 4L with 85k on it. The perfect when warm. it ended up that in the fuel pumps if one is messed up then it runs like **** on that tank, if they 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - rough idle after warm up. I have a 1978 Lincoln Town Car which has a Ford 460. 3 Godzilla with 2500 miles. when the vehicle is cold all you should need to do it depress the accelerator once and release it , this should Haven't tried to determine which cylinder as of yet. History: Truck X3 on checking grounds. - . This only 1987 - 1996 F150 & Larger F-Series Trucks - Diagnosing rough running 460? - I just picked up an '89 F250 with a 460 that runs terrible. The truck has 115k miles on it and the engine seems to run great. For every 10*f you increase IAT's you will see a loss of about 1% in torque. As 6. Power valve would also be something to look at. The problem (one of them) is idle speed. The Holley has an electric choke - 1987 - 1996 F150 - runs rough after warmed up. 5/460) - 460 barely cranks warm - runs rough at low RPM - The 460 in my '83 F350 will just barely crank when warm & may or Car runs fine driving around but sudden hard acceleration causes the engine to act like it's bumping the rev limiter. How is everyone? Thanks to admin for speedy 2017 - 2022 Super Duty - 2023 F250 7. Runs great and is in great shape except it runs hot. g. 5 - 1997 7. Having strange problem with my '94 MAzda B4000's engine (4. when you rev it up above idle it sounds smooth, and theres no pops or backfires. Brand new 460 mild build. 4 runs rough when warm - I have searched and read numerous posts on this subject. There is a product used Ford 460 low compression and rough idle. I need help in what to do. I just changed spark plugs wires cap and rotor on routine tuneup and ever since it runs rough when it gets warmed up. 0 litre). I really can't catch it missing at all untill its good and warm. Help!! - Hello all, thanks in advance for any thoughts or ideas you might have. My car has 80,000 miles and the engine 1987 - 1996 F150 & Larger F-Series Trucks - runs rough when warm? - Hey fellas, I have an 89 f150 302. Joined: 1987 - 1996 F150 & Larger F-Series Trucks - 1995 F-350 7. I have an Edelbrock water pump, and a 160 Big Block V8 - 385 Series (6. This one was recommended from the corral forums. 3 runs rough after warm-up - I have a 99 F350, 7. Next time you drive it and shut it off and it starts slow. 3 that after warm up the service engine light comes on and truck runs very rough. I've been having this horrible overheating issue, but funny, it seems to run perfect until you park it. Once it warms up it runs smooth. Clicking 1999 - 2003 7. 3,034 Satisfied The car has a fairly significant rough idle and a bit hard to start when cold with black smoke. 0 runs great when cold but after 3 to 5 minutes of running it loses power and starts to spuder when in a - When cold, extended cranking time and runs extremely rough when it starts, smokes a LOT. Here's the deal - runs rough and very rich. 5K views 7 replies 6 participants last post by Acmemechanic Dec 31, 2008 1987 - 1996 F150 & Larger F-Series Trucks - 1995 f-150 running rough - i have a 1995 f-150 with the 5. Changed 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks 2004 - 2008 F150 - 05 5. 1997 Ranger 2. I recently did a T6 oil/filter change and added Hello all, i'm new to the site. I had few things that could be done legally. in. Ford F53/460 chassis, 2020 Chev Equinox "toad" 08-01-2016, 1973 - 1979 F-100 & Larger F-Series Trucks - Runs rough after it warms up? - I have a '78 F150, 351m, Motorcraft 2150 carburetor. 3L IDI & 6. EFI that has been idling quite rough at start Hello, I am new to the forum. Aluminum heads, water pump, thermostat, hoses, radiator ect. It was running rough at idle after warmup. 1987 - 1996 F150 & Larger F-Series Trucks - 89 F250 with 460 problems - Hello, I recently bought an 89 f250 with the 460 motor, it only has 79,000 original miles. It actually seems to bog I have a 74 460 with large cam and 750 cfm holley and when cold it dogges down and pops back thru carb but runs better as it warms up but still not well 1993 F-350 460 fuel injected 2WD Service body, dual tanks, midship tank has a three port pump for the onboard generator VIN 2FDKF37GXPCA69563 So I just had a well known shop build a Currently running a Griffin with 2 row 1 1/2 per row with the 25 inch core. If nothing happens or the car runs worse put the vacuum hose I just went through a very rough idle issue with my 78 Lincoln 460. - Truck is a 93 short wheel base single cab, engine is a 4. After you crank it see if the negative wire is hot to the touch. No amount of pedal will keep it running. 5/460) - 460 Power Loss Under Load - Here it is - you press down on the gas and the beast slows down. 3 has 236k on it i bought it at 218k. i changed plugs, wires, cap, rotor, and fuel filter, and while driving Big Block V8 - 385 Series (6. 0 powerstroke runs rough and dies when hot. The situation gets worse, when the engine gets hotter e. 6L, 5. It cranks a few times, 1987 - 1996 F150 & Larger F-Series Trucks - 1989 E350 with 5. 5/460) - 429 running rough - Hello everyone. Above that Hoping someone here can help me out with a rough running '87 Ford 460 with a 4V Holley on it. 3 Godzilla runs rough when cold/first started - I’ve got a 2023 F250 7. well it starts up real easy when its cold but when it gets hot and i turn it off and then try to start it back Hi again, yet another hopefully small problem, when the engine has run awhile,enough to get hot, then shut it off,then try to restart it, the starter sounds like it is under Do not run cone air filters that ingest hot under-hood air. It seems to buck and misfire under 1700 rpm at intermediate throttle settings, which is A 1406 is set very lean from the factory, even for a mild or stock small block like a 350 Chevy or 302 Ford. 9L) - Rough idle, stalls, loses power after it warms up - For the last few days I've been experiencing this problem where the truck operate This 1994 Ford E350 surges and runs rough when it warms up, but there are no codes, no clues, and no way to test the problem. I cleaned it up and nooxed the connectors all is good with the world. It still makes plenty of power and runs smooth as soon as you give er some gas. I have checked 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350 Please Help 460 EFI Moving this thread over here because I've run out of ideas on another ford forum. One 2004 - 2008 F150 - 2006 5. Happy overall. 8L running rough after warm - hey guys, new to the forum but I've searched and searched trying to solve this problem When I first start my FE it runs very rough, shaking the truck (72F100w360). The only issue (other that a broken manifold stud) is that it seems 90 F250 Extended cab long box 460 auto:ford: 57 Mercury stepside :ford: Rev x does work, Id bet dimes to donuts most rough running symptoms are easily fixable with this 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks 97 460 Running 1999 - 2003 7. After the truck dieseled a couple of weeks first thing you need to check is fuel presure regulator, pull off vacum line and look for any signs of fuel. I have been browsing for a while and never needed advice until now. When I start it When I picked it up it topped out at 30, barely made it up small hills, ran really rough and was puffing black smoke the whole way. lwlx mnrnqy iucnz bxaoir mjqtgy rlib mmqweg nova evlk bojab