Question about 1994 Chevrolet S-10 Blazer

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Engine misses bad at idle often stalls, runs ok

Engine misses bad at idle often stalls, runs ok at speed though. Checked codes from ecm gave us code 12. Don't have a book yet so we don't know what code 12 is....94 s-10 tahoe 4.3l 6 cyl

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Code 12 isnt going to tell you anything. Find out what cylinders are misfiring and go from there.

Posted on Nov 15, 2009


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