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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Engine Controls Self-Diagnostics - 4.3L) >> Diagnostic Tests >> DTC P0443: EVAP Purge Solenoid Control Circuit >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

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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