Question about 1994 Chevrolet K1500

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1994 chevy c1500 4.3 lt v6...the truck cranks but runs with a heavy miss ....backfires throught the throttle body ... no codes showing... no service engine light...fuel pump running ...fuel filter ok... gas coming through injectors.... sparkplugs ok... what gives.... help

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Jumped time or burnt valve

Posted on Jul 01, 2009

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