2 SPARK PLUG IS MIS-FIRING

1999 Pontiac Grand Am

Tiny

josephmanuel69

March, 30, 2012 AT 4:24 AM

I OWN A 1999 PONTIAC GRAND AM SE WITH A 2.4 L TWIN CAM. MY #2 SPARK PLUG IS MIS-FIRING ON AND OFF. I CHANGED OUT THE PLUGS, PLUG BOOTS, COIL PACK, CAM SHAFT SENSOR, FLUSHED THE MOTOR, WHAT ELSE CAN I TRY?

FOUND 5709 RELATED QUESTIONS

Engine Miss

52 ANSWERS
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4 Answers

Tiny

Jacobandnickolas

March, 30, 2012 AT 4:26 AM

Check or replace the plug. Make sure the injector is getting power.

Tiny

josephmanuel69

March, 30, 2012 AT 4:39 AM

The injector is getting power, and the plugs are new. It runs good if I disconnect the cam shaft sensor.

Tiny

josephmanuel69

April, 1, 2012 AT 5:34 PM

The service engine light and trac off light is going on and off now. The car is still running poorly

Tiny

josephmanuel69

August, 16, 2012 AT 5:31 PM

ALL ALONG IT WAS THE INTAKE MANIFOLD GASKET!

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