96 ford powerstroke engine problems - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 08-15-2012, 04:24 PM Thread Starter
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Cool 96 ford powerstroke engine problems

I have a 96 ford power stroke f250 with 98 thousand miles on it and lately it has been running like crap. I have took it to a couple local mechanics and they canít figure out what is wrong with it. They have scanned it and nothing comes up so they donít know what is wrong. When the truck is idling it lopes and shakes the truck. When you put your foot down on the throttle there is no power it struggles to gain any rpms it will finally get revved up but it takes way to long. The engine feels really week to when your pulling but I think thatís just because it wonít revve up. So anybody got any idea what is wrong?
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post #2 of 11 Old 08-15-2012, 05:58 PM
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mine did that and i changed my fuel filter and the screen by the fuel bowl. not sure if thats your prob. but sound like what mine was like.

1997 f-250 ex cab: 6637 air filter, 3" down pipe to 4" pipe.
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post #3 of 11 Old 08-16-2012, 05:30 PM Thread Starter
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I have changed the fuel filter but where exactly is that screen that could be the problem
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post #4 of 11 Old 08-16-2012, 06:07 PM
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Fuel Pressure Regulator (FPR) Screen Writeup

click that and it will tell you all about it.

1997 f-250 ex cab: 6637 air filter, 3" down pipe to 4" pipe.
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post #5 of 11 Old 05-28-2013, 05:53 PM Thread Starter
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ok guys this is what has happened are fuel supplier bought locamotive fuel instead of real diesel fuel and tried to mix it and sell it as regurlar fuel this has caused us many problems with every diesel engine on the ranch but this truck has kicked my butt i have drained the bad fuel out of the tanks changed the fuel filter and cleaned the screen and the truck still lopes and is weak any idea what is wrong? The truck only has 95 thousand miles on it and im stuck and no shops around can seem to fix it
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post #6 of 11 Old 05-29-2013, 09:18 AM
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So the FPR screen is clean? Get us your fuel pressure at idle and while its idling pull off your ICP connector (sender on the drivers side head near the front of the block in the valley). Did it smooth out? Pull the IPR and clean/rebuild it too.

+ Matt - Star Tiger +
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, test pipes, intercooler
-Irate: T-4 kit, IC pipes, 3" Replacement Plenums, BASB Turbo
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, SRP1.1
-twin on-board air w/ 10 gal. tank

Re-pinning '97 Cali PCM to Federal
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post #7 of 11 Old 05-29-2013, 09:33 AM
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Make sure you get out all of that other fuel, sounds like there's still some in there

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1996 F350 4x4 CCLB-- I'll miss her

1996 F350 4X4 RCLB zf5 213K
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DE 5"
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2008 Wr250X

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There u go Tom. John may not be sexy, but he can tutor you, lol.
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post #8 of 11 Old 05-29-2013, 09:38 AM Thread Starter
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What is an ipr?
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post #9 of 11 Old 05-29-2013, 10:29 AM
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IPR is the Injector Pressure Regulator. It is controlled by the PCM by inputs from the ICP (Injector Control Pressure). A dirty or stuck IPR can limit the amount of high pressure oil that is reaching the injectors to such a minimal pressure that the injectors can hardly fire. If the IPR is stuck or dirty then all you need is this: IPR Re-Seal kit 94-03 7.3L Diesel but f the IPR is dead you will need a new one in the range of $200. Not likely though. It is located in the valley behind and low off the High Pressure Oil Pump (HPOP, top front of valley). Make sure the "tin nut" on the IPR is currently tight to the HPOP.

+ Matt - Star Tiger +
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, test pipes, intercooler
-Irate: T-4 kit, IC pipes, 3" Replacement Plenums, BASB Turbo
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, SRP1.1
-twin on-board air w/ 10 gal. tank

Re-pinning '97 Cali PCM to Federal
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post #10 of 11 Old 07-21-2013, 08:09 AM Thread Starter
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Ok guys here is an update on the truck. I decided that I didn’t have time to work on the truck myself so I took it to another shop and the story stayed the same. They said that there was two bad injectors so the replaced them and I went and got the truck and headed to the city got about half way there and all of the sudden had no power the engine would run but just didn’t have any power at all I could only go about 50 mph on the freeway so the truck got towed back to that shop again and now they put a map sensor on the truck and were back to square one again. The truck now shakes again when idling and the guys at the shop are saying now that the fly wheel is bad and that is what is causing all the problems but that doesn’t make sense to me. What do you guys think I should do because no shop around here can fix the truck? Does this mean it has to be that ipr that is screwing up? Could it be the fuel pump?
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