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Home >> GMC >> 2003 >> Jimmy 4D Utility, 4WD, Part Time >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P0140: Ho2S Circuit - Insufficient Activity (Bank 1, Sensor 2) >> Test Description
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Test Description

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

  1. 2 -  If the voltage is varying above and below the specified value, the condition is not present.