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oil pressure guage

  1. P0420 and Oil Pressure Pegged High

    Powertrain & Driveline
    well, driving to work today and the SES popped on.. great.. didn't feel anything different.. after work i went to auto zone and code reader showed p0420.. not surprised as I had to replace the other side cat & 02 about a year ago, only matter of time before the other one goes right...
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