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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Controls - Self-Diagnostics - 4.0L) >> Diagnostic Tests >> DTC P1441: EVAP Emission System Flow During Non-Purge >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 4

    This step tests for a faulty EVAP canister purge valve.

  2. 6

    Because of temperature restrictions, use the Service Bay Test in order to complete the test procedure.
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