Truck stumbles while trying to accelerating - Ford Powerstroke Diesel Forum

 
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post #1 of 9 Old 02-08-2013, 08:22 AM Thread Starter
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Truck stumbles while trying to accelerating

What is going is that this truck starts to what I call stumble if while your driving
if you decide to punch the pedal to floor while driving or it just does it when it feels like it.It does run a bit better when eng is hotter but still does it.I was thinking could it be eot sensor but their is code for injector drive module...


2000 7.3 powerstroke 5 speed 2wd. Fuel psi holding at 55 at idle and 75 while
driving.Deadhead hpop pump 2800 psi,dropped fuel tank no mixing of oil and engine isn't making fuel don;t think it is injector o rings.Unplugged icp pressure,still no difference.Oil is fresh
along with fuel filter and fuel is clean and pure...not sure if trying a eot sensor or replacing injector drive module need help thnaks

Last edited by chubacabra; 02-08-2013 at 08:25 AM.
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post #2 of 9 Old 02-08-2013, 03:25 PM Thread Starter
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deleted codes driven it over 100 miles code for injector drive gone...no codes still stumbling
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post #3 of 9 Old 02-13-2013, 06:13 PM Thread Starter
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Anyone have any advice???
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post #4 of 9 Old 02-17-2013, 05:42 PM
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I dealt w something like that for a while. Truck had to be running for like 15/20 min n warm before the truck would actually go anywhere. it would idle its way around but when i put the pedal to the floor nothing would happen. Found out that it was my oil levels. Have you checked your oil level? Mine was SUPER low!! Needed an oil change anyway. So, now that i have changed my oil and have it at the proper level its back to normal
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post #5 of 9 Old 02-18-2013, 04:38 AM
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check your uvc harness connections, you are explaing tried and true symptoms of loose or burnt connections.

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post #6 of 9 Old 02-18-2013, 05:30 AM
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Mine kinda does the same. It lags for about 3 seconds and then goes. When it goes it goes, but it's annoying when your trying to pull out somewhere and it lags..... Tps?



1999 F250 Lariat 4X4 Offroad
Under the hood: 7.3 diesel, 4in straight piped to 6in shotgun dual stacks, DIY 6637, Bigg Boost. Foil delete. Riffraff FRx. IH Bellowed Up Pipes. Wicked Wheel Gen 1. TS Chip with canned tunes *Wrecked 5/16


1999 F250 XLT ECSB 2wd Auto. Hydra chip, gauges, 6637, Army OD Green on stock rims...
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post #7 of 9 Old 03-02-2013, 10:30 AM
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Possible clog in the pick up screen inside the fuel tank, I've read where that internal screen causes problems like that

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post #8 of 9 Old 03-02-2013, 11:09 AM
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run an injector buzz test. you're throwing an idm code. clearly, there is something the matter with at least one injector circuit which includes the idm as well.
just so you know, codes will clear from memory on their own. usually within 40-80 warm up cycles. so you know, if you still have a code memory, and nothing was done to attempt a repair, most likely the problem still resides.

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post #9 of 9 Old 03-02-2013, 11:09 AM
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I removed those and mine still does it.....



1999 F250 Lariat 4X4 Offroad
Under the hood: 7.3 diesel, 4in straight piped to 6in shotgun dual stacks, DIY 6637, Bigg Boost. Foil delete. Riffraff FRx. IH Bellowed Up Pipes. Wicked Wheel Gen 1. TS Chip with canned tunes *Wrecked 5/16


1999 F250 XLT ECSB 2wd Auto. Hydra chip, gauges, 6637, Army OD Green on stock rims...
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