WHAT CAUSES RANDOM MISFIRES CODE PO300 SHOWS

  • Tiny
  • Anonymous
  • 2003 Oldsmobile Alero
  • 22,400 miles

What causes random misfires code po300 shows

Tuesday, December 18th, 2012 AT 2:41 AM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,295 posts

It could be several things, bad or worn plugs, ignition wires, bad coil, bad crank sensor.

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Tuesday, December 18th, 2012 AT 2:43 AM

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