Thread: 2004 Alero 3.4L Idle and Missing Issues.
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Old 05-29-2017, 03:39 PM   #4
Blue Bowtie
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Re: 2004 Alero 3.4L Idle and Missing Issues.
Strange things can happen. I've had wire harnesses chafe and fail inside the convoluted protective tubing, with no external indication of a problem:




The only way to trace that is monitor circuit voltages.
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