Dear Techs

On this 91 S-Blazer 4.3 i have a problem that seems to be obvious,but i must be blind. This has a rough idle and has had for about 36,000 miles [according to customer]. The 1-3-5 cylinders are dead at idle, like it has a bad vac leak, but it does n...

FIX posted 1/23/2001

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