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Thread: P1516 code - help

  1. #1

    P1516 code - help

    99FRC with ProCharger with LS3 (90mm tb as well)

    Keep getting a P1516 code under WOT about 4000-5000rpm. I raised the Calc Airflow table with no luck. Also tried raising and lowering the ETC Scalar with no luck.

    Any ideas?

  2. #2
    HP Tuners Support
    (foff667)
    Bill@HPTuners's Avatar
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    P1516 is usually set by the TAC module which we have no control over.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  3. #3
    Tuner Doubledip's Avatar
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    Quote Originally Posted by FirstGen View Post
    99FRC with ProCharger with LS3 (90mm tb as well)

    Keep getting a P1516 code under WOT about 4000-5000rpm. I raised the Calc Airflow table with no luck. Also tried raising and lowering the ETC Scalar with no luck.

    Any ideas?
    what colour blade is throttle body

    what service number is ecu
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