the check engine light comes and goes.

1999 PONTIAC BONNEVILLE
175,000 MILES
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TINOCO01
  • MEMBER
  • 1 POST
its running code P0300. There is a gas leak from in the gas line the fuel filter to the fuel pump. is it that? Only misfires when car is warmed up. I have changes the spark plug, plug wires, ignition coil, fuel filter, and alternator. Ignition module tested good.
Jan 5, 2012 at 6:25 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
You only have a code P0300?Have you checked for vacuum leaks?
Jan 5, 2012 at 6:27 PM
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