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2011 GMC Sierra 2500 HD Denali 6.6L Excessive Emissions
Posted to GM Driveability on 9/5/2021 8 Replies

Hey guys got a 6.6 diesel in reduced power first time customer replaced upstream and downstream nox sensors replaced hci injector ran forced regen and soot level drops but then comes right back up replaced def pressure sensor same thing i wonder does it ha...

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  Related Documents & Media  2011 GMC Sierra 2500 HD Denali

 
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car Vehicle Data

2011 GMC Sierra 2500 HD Denali

VIN 1GT125C83B
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

P2463Diesel Particulate Filter - Soot Accumulation
Message Closed

car Vehicle Data

2011 GMC Sierra 2500 HD Denali

VIN 1GT125C83B
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

P2463Diesel Particulate Filter - Soot Accumulation