THE CHECK ENGINE LIGHT COMES AND GOES.

  • Tiny
  • Tinoco01
  • 1999 PONTIAC BONNEVILLE
  • 175,000 MILES

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.

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Friday, January 6th, 2012 AT 2:25 AM

1 Reply

  • Tiny
  • Saturntech9
  • EXPERT
  • 30,229 POSTS

You only have a code P0300?Have you checked for vacuum leaks?

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Friday, January 6th, 2012 AT 2:27 AM

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