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  1. OBD-II Trouble Shooting - GM Forum - Buick, Cadillac, Olds, GMC ...

    Sep 22, 2009 · OBD-II Trouble Shooting - Got a code reader? Find out what your GM car's Check Engine light is trying to tell you (and then turn Check Engine light off).

  2. OBD-II Trouble Shooting - Page 2 - GM Forum - Buick, Cadillac, Olds ...

    Sep 27, 2009 · OBD-II Trouble Shooting - Got a code reader? Find out what your GM car's Check Engine light is trying to tell you (and then turn Check Engine light off).

  3. Buick; Le Sabre Oldsmobile; LSS, Eighty Eight & Regency Pontiac; Bonneville

  4. INTRODUCTION Most engine control problems are the result of mechanical breakdowns, poor electrical connections or damaged vacuum hoses. Before considering the computer system as a possible …