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Chugging and missing 91 Astro Van, need help.
Posted to Technical Discussion Forum on 6/13/2002 86 Replies

My headache today is a 91 Chevy Astro Van 4.3L TBI with approx. 49,000 miles. I tuned the van yesterday and replaced the spark plugs and PCV Valve, everything else checked out ok. The van returned a couple of hours later with the customer complaining of the va... Login to read more.

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