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2003 Chevrolet Silverado 2500 HD LT 6.6L Excessive Emissions
Posted to GM Driveability on 6/13/2011 14 Replies

Truck started to have light smoke from exhaust at idle starting at 148,000 miles you would'nt have noticed it unless you were really looking for it. Now at 160,000 miles and after a drive on the freeway of about 50 miles you can see a ton of white smoke at idl...

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  Related Documents & Media  2003 Chevrolet Silverado 2500 HD LT

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 2500 HD LT

VIN 1GCHK23137
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursIdle, After a Hot Soak

Trouble Codes

P0404EGR Control Circuit Range/Performance
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 2500 HD LT

VIN 1GCHK23137
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursIdle, After a Hot Soak

Trouble Codes

P0404EGR Control Circuit Range/Performance