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  1. Engine died, scan gave me 40 DTC codes!

    DTC's, Problems & Troubleshooting
    Hello everyone, I bought a 1999 Buick Park Avenue, naturally aspirated and, long story short, I replaced the upper plastic intake and gasket hoping that would help my rough idle and low power problem. Upon finishing the repair, and I had borrowed and DTC scanner from a friend and was setting...
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