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Old 09-28-2008, 11:36 AM   #9
tpulliam79
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Join Date: Sep 2008
Location: spokane valley, wa
Age: 29
Posts: 283
Re: 1991 chevy 1500 5.7 tbi erratic idle

well thought we had it narrowed to a dirty injector so I hjad them cleaned and now they flow nicely. hooked a smoke machine up. no vacuum leaks. the timing was advaNCED 3 DEGREES BUT HE TOLD ME THAT WOULDNT HURT ANYTHING... i DONT KNOW MUCH ABOUT TIMING , is 3 ok? and how to check throttle shaft? thanks again
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