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Re: 1991 chevy 1500 5.7 tbi erratic idle
Quote:
Originally Posted by The_Ogre25
I know you have already cleaned the IAC, but did you just spay it or did you clean it off and swab out the passage. I sprayed mine out twice searching for the fix for a bad idle. Finally pulled it out and wiped off the IAC pintle gently until it was spotless and then used q-tips and carb cleaner to clean the IAC passage until the swabs cam out clean and the passage was clean.
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I have put a new one in and had the intake off multiple times and cleaned all the passages. i will try to re adjust the safety switch, and go from there. the truck runs great except for the blip at idle and when shifting into gear after warmed up. if it werent for emissions I wouldnt even bother
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1991 chevy 1500 ext. cab 5.7 TBI
1988 chevy reg. cab 5.7 TBI lifted 8" swampers (  GONE Wife made me sell it )
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