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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P0443: EVAP Purge Solenoid Control Circuit >> Test Description

Test Description

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

  1. 2

    This step tests if the concern is active.

  2. 5

    This step verifies that the control module is providing ground to the EVAP purge valve.

  3. 6

    This step tests if a ground is constantly being applied to the EVAP purge valve.

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