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Thread: No Data from MAF??? Anyone have an idea why???

  1. #1
    Potential Tuner
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    Feb 2014
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    No Data from MAF??? Anyone have an idea why???

    The engine runs sounds nice and clean, but I dont see the any data from the MAF. Anyone might know what I might not be doing right??? I have attached the tune and the scan log.....No Data from MAF.hplDiasable DTC's.hpt

  2. #2
    Senior Tuner
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    I would start by checking the connector and harness.

  3. #3
    Potential Tuner
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    connector seems fine. Harness is brand new from psi converersion

  4. #4
    Senior Tuner
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    That doesn't mean it's good.
    I would check ckts with ohm meter from connector to Pcm

  5. #5
    Senior Tuner Ben Charles's Avatar
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    I've actually seen the something from a psi harness, it was a harness issue, you better check it