2007 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on, black smoke
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...
FIX posted 6/26/2013
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Message Closed w/FIX
Vehicle Data2007 GMC Sierra 2500 HD SLT
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2007 GMC Sierra 2500 HD SLT
VIN | 1GTHK29677 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Black Smoke |
Occurs | Not Applicable, Under Load |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |
P0299 | Turbocharger Underboost Problem |
P0401 | EGR System Insufficient Flow Detected |