
2004 Cadillac CTS 3.6L Excessive Emissions
this vechicle after fill up will set a p0446 and start rough like its flooded. checked the canister and vent valve no sign of raw fuel but replaced both. smoked gas tank at cap i have flow though the gas vent line (the big one on the canister) and though the p...
Summary posted 2/21/2011
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VIN | 1G6DM57734 |
Engine | 3.6 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | After Gasoline Fill Up |
Trouble Codes
P0446 | EVAP Vent Control System Performance |
Message Closed w/Summary
Vehicle Data
2004 Cadillac CTS
VIN | 1G6DM57734 |
Engine | 3.6 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | After Gasoline Fill Up |
Trouble Codes
P0446 | EVAP Vent Control System Performance |