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  1. #1

    Random check engine light, how to diagnose?

    2010 GTX 155.

    Everyone once and a while my check engine light will come on. Mostly at idle after a quick sprint. The last couple times restarting clears it.

    I think last time it flashed a code but normally all I see / hear is the alarm and then the light.


    So a couple questions.
    1. outside hooking it up to a diagnostic tool, is there a way to see previous faults; even if the check engine light isn't or doesn't come on?

    2. the next time the check engine light does come on, how can i ensure I get a code while the light is on?

    Thanks in advance.

  2. #2
    Myself's Avatar
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    Nope, need a diagnostic tool to read any stored faults.

  3. #3
    Quote Originally Posted by Myself View Post
    Nope, need a diagnostic tool to read any stored faults.
    Tried running it again. Got IBR Module something with with codes P1661, C0073, C2102. I started a new thread to aid in searching.


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