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Old 08-14-2011, 04:23 PM   #2
wyattglock
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Join Date: Jul 2010
Location: Lafayette, IN
Posts: 622
Re: 4.3 trouble

Check for vacuum leaks around base of tbi unit, possibly bad vacuum line. Low fuel pressure can cause this also. Not sure how good your fuel filter is, but that is the easiest place to start. Not sure if this will help or not, but good luck getting it straightened out.
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