Question about 2000 Pontiac Grand Prix
Posted by Anonymous on
Check the catalytic converter to see if it plugged by checking if exhaust flows freely out of the tailpipe when the engine is running.
Check that the plugs and wires are ok, and then go deeper by seeing if the coil packs (if equipped) are throwing any codes in the computer for a misfire condition.
Hope this helps!
Posted on Jul 05, 2010
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Posted on Jan 02, 2017
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