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Home >> GMC >> 2000 >> Savana G2500, Van Cargo Extended, 5.0 M >> Repair and Diagnosis >> External Pages >> Different car >> Section 210 (Engine Controls Self-Diagnostics) >> Diagnostic Tests >> DTC P0446: EVAP Vent Valve Performance >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step numbers in the diagnostic procedures.

  1. 4 -  This test determines if the failure is present or intermittent.

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