#2 SPARK PLUG IS MIS-FIRING

1999 PONTIAC GRAND AM
143,000 MILES
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JOSEPHMANUEL69
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  • 25 POSTS
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?
Mar 30, 2012 at 4:24 AM
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JACOBANDNICKOLAS
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Check or replace the plug. Make sure the injector is getting power...
Mar 30, 2012 at 4:26 AM
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JOSEPHMANUEL69
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the injector is getting power, and the plugs are new. it runs good if i disconnect the cam shaft sensor.
Mar 30, 2012 at 4:39 AM
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JOSEPHMANUEL69
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the service engine light and trac off light is going on and off now. the car is still running poorly
Apr 1, 2012 at 5:34 PM
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JOSEPHMANUEL69
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ALL ALONG IT WAS THE INTAKE MANIFOLD GASKET!
Aug 16, 2012 at 5:31 PM
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