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Running like garbage

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  #16  
Old 05-05-2015, 02:45 AM
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timbersteel
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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.
 
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  #17  
Old 05-05-2015, 10:29 AM
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Originally Posted by timbersteel
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.
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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