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2004 Cadillac CTS 3.6L Excessive Emissions
Posted to GM Driveability on 2/15/2011 11 Replies

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...

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  Related Documents & Media  2004 Cadillac CTS

 
Message Closed w/Summary

car Vehicle Data

2004 Cadillac CTS

VIN 1G6DM57734
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAfter Gasoline Fill Up

Trouble Codes

P0446EVAP Vent Control System Performance
Message Closed w/Summary

car Vehicle Data

2004 Cadillac CTS

VIN 1G6DM57734
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAfter Gasoline Fill Up

Trouble Codes

P0446EVAP Vent Control System Performance