
2004 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on, black smoke
This vehicle sets a MAF code on every start up, 17 seconds after engine start. I can see exactly what it is doing but not why. The MAF GPS is too high at idle, 55-60 GPS. However, the voltage seems to be exactly correct at 1.25 to 1.35 on the scan tool, and 1....
FIX posted 6/11/2008
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Message Closed w/FIX
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VIN | 1GTHK23284 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Black Smoke |
Occurs | Always |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |
Message Closed w/FIX
Vehicle Data
2004 GMC Sierra 2500 HD SLE
VIN | 1GTHK23284 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Black Smoke |
Occurs | Always |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |