1998 PONTIAC GRAND AM P0301 CODE SHOWING

  • Tiny
  • JimmyE
  • 1998 Pontiac Grand Am
  • 168,000 miles

I have a 1998 Pontiac Grand Am GT 3.1 v-6 that is showing a PO301 reading that says a misfire in cylinder # 1.I have replaced wires, plugs, coils, ignition control module and even the fuel pressure regulator.I had a pressure checked done on the cylinders. After it runs for awhile you can hear the misfire. But when I push down on the pedal it sounds even.

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Saturday, March 17th, 2012 AT 5:03 AM

1 Reply

  • Tiny
  • rivermikerat
  • Member

Your question was cut off.

Check wiring to the #1 plug. Check compression. Make sure the plug is properly seated. Check for vacuum leaks.

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Saturday, March 17th, 2012 AT 5:26 AM

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