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bowtiedude · 09-26-2008, 10:50 AM

Check your base timing. Check your fuel pressure. Check for throttle shaft play will also create a vacuum leak. Check your vacuum hoses as well.

09-26-2008, 10:50 AM	#8
bowtiedude Registered User Join Date: Jul 2007 Location: Central PA Age: 44 Posts: 7	Re: 1991 chevy 1500 5.7 tbi erratic idle Check your base timing. Check your fuel pressure. Check for throttle shaft play will also create a vacuum leak. Check your vacuum hoses as well.