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chevyman70 · 02-15-2015, 12:19 AM

if the pcv is a controlled vacuum leak, how does the computer know its a vacuum pulling from the pcv?

02-15-2015, 12:19 AM	#4
chevyman70 Registered User Join Date: May 2002 Location: Lakewood, CA Posts: 194	Re: 5.3l Mystery vacuum leak! if the pcv is a controlled vacuum leak, how does the computer know its a vacuum pulling from the pcv?