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2007 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on, black smoke
Posted to GM Driveability on 6/21/2013 7 Replies

My understanding is that the DPF filter is no good and must be replaced since the regen wont complete and the soot mass readings are so high. Looking for a second opinion. I dont believe the truck was smoking like this until I replaced the EGR cooler but i can...

7 Replies Received (View Replies)

  Related Documents & Media  2007 GMC Sierra 2500 HD SLT

 
Message Closed w/FIX

car Vehicle Data

2007 GMC Sierra 2500 HD SLT

VIN 1GTHK29677
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Black Smoke
OccursNot Applicable, Under Load

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0299Turbocharger Underboost Problem
P0401EGR System Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

2007 GMC Sierra 2500 HD SLT

VIN 1GTHK29677
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Black Smoke
OccursNot Applicable, Under Load

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0299Turbocharger Underboost Problem
P0401EGR System Insufficient Flow Detected