Question about 2009 Pontiac G3

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2009 pontiac g3 getting a p0301 code on obd2 tester were is spark plug coils

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A code P0301 may mean that one or more of the following has happened:

  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer

Its normally best to start with the spark plug first then the wires then the coil then o2 sensor do keep in mind that if it happens to be a oxygen sensor that it will be the one before the catalytic converter. That is the one that controls fuel and air tuning.


All that being said all of them are easy fixes at least and the plugs and wires are fairly cheap and coils not too expensive nor are o2 sensors.


I hope this helps on your journey to get car running again if so please rate 4 thumbs helps me continue to help on here thanks

Posted on May 19, 2011

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