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  1. Pinging issues anyone? Help please? (engine grounds)

    smart Operation and Maintenance
    The knock sensor seems to be oblivious today under heavy acceleration with the A.C. on and very hot here. The engine appears to be quite aware of the a.c. being on, and I was aware of pinging. High pitched pinging, which I thought the knock sensor would respond to and prevent. I did put a new...
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