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2003 Chevrolet Tahoe Z71 5.3L MIL Lamp on
Posted to GM Driveability on 9/28/2011 21 Replies

I have a 2003 Chevy tahoe z71. I have gotten a continuous P0446 code since I purchased the truck in 2009. I have run all the test and followed all the diagrams. Have checked all the lines for holes, blockage and kinks. Everything has paned out just fine. I hav...

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  Related Documents & Media  2003 Chevrolet Tahoe Z71

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Tahoe Z71

VIN 1GNEK13T43
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0446EVAP Vent Control System Performance
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Tahoe Z71

VIN 1GNEK13T43
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0446EVAP Vent Control System Performance