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Home >> Chevrolet >> 2002 >> Monte Carlo SS Dale Earnhardt >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0449: EVAP Vent Solenoid Valve Control Circuit >> Test Description

Test Description

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

  1. 2

    Listen for a click when the valve operates. Ensure that both the on and the off states are commanded. Repeat the commands as necessary.

  2. 5

    This step verifies that the control module is providing ground to the EVAP vent valve.

  3. 6

    This step tests if the EVAP vent valve control circuit is grounded.
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