Stuttering acceleration
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5th Wheeling
Joined: Oct 2024
Posts: 25
Likes: 2
Stuttering acceleration
So I have done many things to try and fix this problem but I can't seem to figure out what's causing the stuttering.
- new ICP and IPR sensors (motorcraft)
- fresh oil and fuel filter
- sending unit is clean
- good fuel pressure
- new IDM
- used forscan and has no codes and values seem to be right
It only start sputtering only while driving and going above 2000rpm and the engine is warm.
I'm starting to get lost here and am needing help.
- new ICP and IPR sensors (motorcraft)
- fresh oil and fuel filter
- sending unit is clean
- good fuel pressure
- new IDM
- used forscan and has no codes and values seem to be right
It only start sputtering only while driving and going above 2000rpm and the engine is warm.
I'm starting to get lost here and am needing help.
Thread Starter
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5th Wheeling
Joined: Oct 2024
Posts: 25
Likes: 2
I hooked up a fuel pressure gauge to the fuel bowl where the fittings are
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5th Wheeling
Joined: Oct 2024
Posts: 25
Likes: 2
I don’t think that would be it cause we filled up my moms 2500 the same day and it’s running fine
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5th Wheeling
Joined: Oct 2024
Posts: 25
Likes: 2
The last things that come to my mind have been the ICP connector or air in the high pressure lines
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5th Wheeling
Joined: Oct 2024
Posts: 25
Likes: 2
how would I go about finding a hpo leak and my icp is reading 468-492 psi at idle(op temp). At 2000 rpm it’s fluctuating about 300-400 psi
Lead Driver
Joined: Oct 2005
Posts: 6,129
Likes: 1,919
From: Ponca City, OK
What's IPR DC% at idle? Warm engine oil it should be around 8-10. If it's 14+ means you might have a leak. That's just one quick and dirty check. There are more accurate tests if you decide you need to investigate further.
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5th Wheeling
Joined: Oct 2024
Posts: 25
Likes: 2
Darn it is. I’m guessing YouTube has some good videos on it