Engine light on running rough on idle and in park hesitates?

2007 PONTIAC G5
270,000 MILES • 4 CYL • FWD • AUTOMATIC
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GC 00
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  • 1 POST
engine light on running rough on idle and in park hesitates sometimes and growling sound while driving in reverse but still drives forward with the power of when you press the gas pedal
Jan 28, 2015 at 8:21 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scan for codes and check fuel pressure
Jan 28, 2015 at 10:21 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,554 POSTS
I would start by checking the engine codes to see which ones are stored, here is a guide to help you.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

If you have lean codes then chance are the fuel pump is going out. But if you have misfire codes I would start with a full tune up, here is a guide to help as well

https://www.2carpros.com/articles/how-to-tune-up-a-car-engine

Please go over these guides and get back to us.
Aug 21, 2024 at 11:06 AM
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