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p0102 maf

  1. DTC's, Problems & Troubleshooting
    Hello! I have a 1998 Pontiac Grand Prix GTP with the 3.8L S/C engine. I have ~70K miles on the car. In July 2017, the check engine light came on, and the car started bucking like a bronco. Codes were P0102, P0171, and P1404. Local garage replaced the MAF (mass air flow sensor) with a DELPHI...