1996 Chevrolet Suburban Check Engine Light On Had Scanned Code Reads Misfire

1996 CHEVROLET SUBURBAN
240,000 MILES
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Check engine light is on. Had it scanned and code reads engine misfire. I dont knw where to start any ideas? Need too clear codes too pass emissions. Thax





Feb 25, 2013 at 6:39 PM
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CARADIODOC
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What is the exact code number? That will indicate which cylinder is causing the misfire. Code 300 is random cylinder misfire. Code 301 is cylinder number 1 misfire.

Spark plugs and wires are the most likely suspects, but on high-mileage GM products injectors are common too. If you suspect an injector, swap two of them and see if the misfire moves to the other cylinder.
Feb 25, 2013 at 6:55 PM
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