2004 GMC Sierra 2500 HD SLE 6.6L Hesitation, MIL Lamp on, Smokes and no power
this is now the second truck we have in our shop with over 300k miles and with the same exact problems. when the customer is cruising on the freeway and then needs to step on it or even getting on a on-ramp sometimes its just black smoke and no power. sets the...
FIX posted 4/11/2014
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Message Closed w/FIX
Vehicle Data2004 GMC Sierra 2500 HD SLE
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2004 GMC Sierra 2500 HD SLE
VIN | 1GTHC29164 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, MIL Lamp on, Smokes and No Power |
Occurs | On Accel |
Misc. | Stock Computer |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |
P0401 | EGR System Insufficient Flow Detected |