Low fuel pressure causing my problems?
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Joined: May 2016
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Low fuel pressure causing my problems?
Bought an 02 SD e350 with the 6.8 v10 a couple months back.
It had rough idle,miss,surging,lack of power
Ive replaced,plugs,coils,fuel filter,pcv,IAC, alternator (was bad), o2 sensors, checked cat.
Its running better but still not 100%. It still runs rough but drives way better and has some power now.
Only code was for cam sensor which ive also replaced and replaced connector for. Still same issues.
I figured I would check fuel pressure before trying to run new wires for the cam sensor from the harness.
I turned key on a few times and depressed shraeder and it just kind of overflows out. It doesnt spray or seem to have force behind it.
I just got a fuel pressure test gauge in the mail. Its a super cheap china ebay special. I cant get it to even register any level of pressure with van running or cycling key on off.
Not sure if my pump is bad or this cheap gauge.
Any ideas?
It had rough idle,miss,surging,lack of power
Ive replaced,plugs,coils,fuel filter,pcv,IAC, alternator (was bad), o2 sensors, checked cat.
Its running better but still not 100%. It still runs rough but drives way better and has some power now.
Only code was for cam sensor which ive also replaced and replaced connector for. Still same issues.
I figured I would check fuel pressure before trying to run new wires for the cam sensor from the harness.
I turned key on a few times and depressed shraeder and it just kind of overflows out. It doesnt spray or seem to have force behind it.
I just got a fuel pressure test gauge in the mail. Its a super cheap china ebay special. I cant get it to even register any level of pressure with van running or cycling key on off.
Not sure if my pump is bad or this cheap gauge.
Any ideas?
Thread Starter
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Senior User
Joined: May 2016
Posts: 156
Likes: 0
Nevermind, didnt have the connection screwed in enough.
About 40psi with key on, 35psi after a few minutes...
32psi running and 42psi unplugging fuel reg vacuum
Having a nightmare of a time trying to figure out whats wrong with the 02 e350 v10 I bought a couple months ago...... thread for it is...
https://www.ford-trucks.com/forums/1...ower-loss.html
About 40psi with key on, 35psi after a few minutes...
32psi running and 42psi unplugging fuel reg vacuum
Having a nightmare of a time trying to figure out whats wrong with the 02 e350 v10 I bought a couple months ago...... thread for it is...
https://www.ford-trucks.com/forums/1...ower-loss.html
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