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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 P0446: EVAP Vent Valve Performance >> 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. 4

    This test determines if the failure is present or intermittent.

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