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Thread: P1514 on Stock LS1

  1. #1
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    P1514 on Stock LS1

    Was out logging AFR % error tonight, pulsing around the 3k rpm range trying to fill cells, and threw a P1514. I have heard of this happening on big h/c stroker engines and also with FI builds, but never on a nearly stock setup.

    Are there any other causes of this error besides flowing so much you max out the stock expected airflow vs throttle position tables? Anything I can look for or test?

    2000 C5 with LTs and catback, and the lid is off the air filter ("zip tie mod").

    Thanks,

    Jack
    Last edited by cptinjak; 06-27-2012 at 12:37 AM.

  2. #2
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    Bump. Anyone? This has me a bit freaked out that something is very wrong. I upped the P1514 table by 150% and it hasn't happened again, but I have never heard of that being necessary on such a stock setup.

    Thanks,

    Jack

  3. #3
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    Quote Originally Posted by cptinjak View Post
    Bump. Anyone? This has me a bit freaked out that something is very wrong. I upped the P1514 table by 150% and it hasn't happened again, but I have never heard of that being necessary on such a stock setup.

    Thanks,

    Jack
    It occurs once to me with LT on a A4 99 corvette.
    Don't worry.

  4. #4
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    Quote Originally Posted by Brice View Post
    It occurs once to me with LT on a A4 99 corvette.
    Don't worry.
    Awesome. Thank you for the reply.

    Jack