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02 Grand Prix with a 3.8. I am getting a P0300 and the check engine light will flash.

sandyz1sandyz1 Posts: 1
edited April 2015 in Pontiac
You can stop the car and restart and it will run fine for awhile. Then it will start cutting out and flashing can stop restart the car and it runs fine. My mechanic has checked everything what can it be.
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