Running like garbage
Logistics Pro
Joined: Mar 2005
Posts: 4,698
Likes: 47
From: Mexico, Missouri
Yes, a bad, defective or malfunctioning FPR can cause to much fuel psi and/or to low fuel psi.
If the engine is idling higher than specification, then the PCM can't control it with the IAC, so unplugging the IAC won't make a difference.
If the engine is idling higher than specification, then the PCM can't control it with the IAC, so unplugging the IAC won't make a difference.
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Junior User
Joined: Aug 2013
Posts: 53
Likes: 0
I can't find the cause for the high idle. Also cannot find any vacuum leaks. Started the high idle after the new tps. And by high idle its at like 1100 rpm
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