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Home >> Oldsmobile >> 2003 >> Bravada AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 4.2L >> Diagnostic Tests >> DTC P0446: EVAP Vent Valve Control Circuit >> Test Description

Test Description

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

  1. 5 -  This step inspects the EVAP vent solenoid electrical operation.
  2. 6 -  This step inspects for a restricted EVAP vent solenoid.
  3. 7 -  This step tests if the restriction is in the EVAP canister or the vent hose.

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