Question about 2006 Pontiac G6

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Engine light on

My engine light came on this evening on my 2006 Pontiac G6. I took it to O'Riellys and they put it on the diagnostic machine. The code they came up with is P1174. They could not find in their database what that means. Would you be able to help me with that? Thank you for your time.

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That code is for cylnder bank 2 running lean, there is actually an open technical service bulletin for this issue on your car, for clogged fuel injectors. That could be the problem, as well as a vac. leak, a malfunctioning bank 2 sensor 1 oxygen sensor.

Posted on Dec 15, 2008

  • Jacob
    Jacob Aug 22, 2012

    My wifes G6 has the same problem (p1174). I changed out the front O2 sensor and cleared the code but it came back on to my dismay. I did notice a crack in the exhaust manifold though. Could this be the cause?



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