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Home >> Buick >> 2002 >> LeSabre Custom, 4T65E/M15 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> System Tests >> Mil Always On >> Test Description

Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 3

    The step determines if the condition is with the MIL control circuit or the PCM.
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