2005 Pontiac G6
Mileage
211,224
Service Date
8/15/2024
Services Performed
- PERFORMED BASELINE SMOG, FOUND FAILED TEST DUE TO CHECK ENGINE LIGHT ON. FOUND FAULTS P0455, P0449. FROM EMISSION LABEL UNDER HOOD- 5GMXX03.8148, EQUIPPED WITH SFI, EGR, HO2S, TWC.
- PERFORM DIAGNOSIS OF FAILED SMOG, FOUND FAULT CODES P0455, AND P0449 CURRENT CODES IN ENGINE MODULE. ALSO HAS FAULT P1811(NOT RELATED TO SMOG) MAXIMUM ADAPT AND LONG SHIFT(TRANSMISSION RELATED FAULT CODE). AS PER EVAP FAULT CODES P0455, AND P0449, PERFORMED GUIDED TEST OF EVAP SYSTEM. CHECKED ACTUATION OF PURGE VALVE, FOUND PURGE VALVE ACTIVATING OK. CHECKED INTEGRITY OF VALVE, FOUND PURGE VALVE WILL NOT HOLD VACUUM, BUT NOT SETTING FAULT AT THIS TIME. TEST ACTIVATION OF VENT VALVE, FOUND NOT CLOSING VENT CIRCUIT. CHECKED FOR VOLTAGE AND GROUND TO VENT VALVE, FOUND SIGNAL OK FOR GROUND AND VOLTAGE, BUT VALVE IS STUCK OPEN. CAPPED VALVE OPENING AND TEST EVAP SYSTEM, FOUND EVAP SYSTEM PASSES TEST. DETERMINED STUCK OPEN VENT VALVE AND LEAKING PURGE VALVE. RECOMMEND TO REPLACE BOTH PURGE VALVE AND VENT VALVE AT FUEL TANK TO CORRECT CHECK ENGINE LIGHT.
KYLE D. gave our service a 5 star review on 8/15/2024
