check engine light on on 2003 Pontiac Aztek

what may cause my check engine light to come on the codes is p0449

by in Chicago, IL on March 08, 2010
1 answer
ANSWER by , March 20, 2010
P0449: Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction. The Control Module detected an incorrect voltage in the EVAP canister vent valve control circuit.