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2004 Chevrolet Silverado 2500 HD 6.0L MIL Lamp on
Posted to GM Driveability on 12/5/2007 15 Replies

This is the second time i have posted for this vehicle for same issue. Fleet vehicle keeps returning with ses light on for p0446. First time replaced vent valve due to clogged with dirt. Vehicle returned with same issue ( valve clogged with dirt) Found tsb for...

15 Replies Received (View Replies)

  Related Documents & Media  2004 Chevrolet Silverado 2500 HD

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHC29U84
Engine6.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0446EVAP Vent Control System Performance
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHC29U84
Engine6.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0446EVAP Vent Control System Performance