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How do I fix misfir...
 
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How do I fix misfiring

  

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This vehicle was not running. This vehicle had a P0430, P0068, P0300, and P0101.  I changed the catalytic converter on bank 2, also upstream O2 sensor on bank 2.  I changed the spark plugs and the mass air flow sensor.  I did a decarbonization and the engine would not accelerate and it misfires.  Please advise on what to do.

2015 GMC ACADIA


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Please put a brief description of your problem in the title. Not "HELP!".

You should also read the posting instructions. We need your miles. Thanks.


the miles are 90700. Sorry about not adding that. Not good on these computers


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