2007 Pontiac G6 What does P0300 code mean?

Tiny
KDUMBRA
  • MEMBER
  • 2007 PONTIAC G6
Engine Mechanical problem
2007 Pontiac G6 6 cyl Automatic 52785 miles

My service light came on last Friday. I took it to Autozone so they could do the free check. It came back with P0300 which could be caused by about 8 different things listed. What is the likely cause. My engine has been running rough but I figured that was the mileage on the car. Otherwise, it runs fine.
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Monday, December 7th, 2009 AT 12:14 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
A PO300 is a "Random/Multiple Cylinder Misfire Detected". You are right. It could be a few things. At the mileage you have on the car, you shouldn't have any problems. Have you tried new plugs (basic tune up)?
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Monday, April 19th, 2010 AT 10:51 PM

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