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99 Silverado 5.3 Misfiring
Posted to Technical Discussion Forum on 12/29/2004 24 Replies

This truck has developed a steady misfire on #3 cylinder only when rpms climb over 3300 rpm. 1/2 to full throttle accell, #3 steady misfire. (You've got to drive pretty hard to act up)

Spark plugs were replaced, fuel injectors removed & cleaned, and most rec... Login to read more.

24 Replies Received (View Replies)