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2004 Pontiac Grand Am GT 2dr Coupe

2004 Pontiac Grand Am
Trim Info:
Front Wheel Drive, 2 Door Coupe, Compact
20 mpg city / 29 mpg hwy
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December 11, 2012, 8:46 pm

Morgan B

Question: My 02 Pontiac Grand Am Rocks

My car has recently started to rock back and forth when i hit a certain speed and the rpm arrow shakes back and for the when the car starts rocking. Whats wrong with my car?

December 15, 2012, 12:18 pm

Ron W
Expert Mechanic

What is the RPM? Modern cars have rev limiters that will cut the engine until the rpm drops below the safety issue. What you experience is the engine revving and cutting off, revving and cutting off and it can make the car rock.

If it is speed related it could be the ignition is cutting out., so starting with basic tune up items is a good place to begin.

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