2003 Oldsmobile Alero Repair Question
Topics covered: Random misfire, Sensor.
Mileage: 22,400 miles.
Mileage: 22,400 miles.
Asked on December 18, 2012
Oldsmobile Alero Random misfire Problem
What causes random misfires code po300 shows
Answer
Replied on December 18, 2012
It could be several things, bad or worn plugs, ignition wires, bad coil, bad crank sensor...