What causes random misfires code PO300 shows

Tiny
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  • 2003 OLDSMOBILE ALERO
  • 22,400 MILES

What causes random misfires code po300 shows

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

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,360 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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