WHAT CAUSES RANDOM MISFIRES CODE PO300 SHOWS

2003 Oldsmobile Alero

Tiny

Anonymous

December, 18, 2012 AT 2:41 AM

What causes random misfires code po300 shows

1 Answer

Tiny

Jacobandnickolas

December, 18, 2012 AT 2:43 AM

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

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