96 sunfire 2.4 misfire when accelerating


Asked by Jul 31, 2016 at 03:10 PM about the 1996 Pontiac Sunfire 2 Dr SE Coupe

Question type: Maintenance & Repair

pontiac 2.4 misfireing when accelerating, and CEL on with 0420 code

1 Answer


Misfiring locate the cause ignition, vacuum or fuel issue.. after its repaired 420 code will clear catalytic converter temperature monitor.

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