2007 GMC Sierra 2500 HD Classic SLT 6.6L MIL Lamp on
Greetings to all. Need some help with a duramax. Several months ago truck came in with mutiple codes, poor run and blowing black smoke. Another tech scanned and diagnosed it and asked me to help. At that time it had turbo over boost codes, egr codes, and I bel...
FIX posted 9/21/2008
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Message Closed w/FIX
Vehicle Data2007 GMC Sierra 2500 HD Classic SLT
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2007 GMC Sierra 2500 HD Classic SLT
VIN | 1GTHK23D97 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Hot, After a Hot Soak, Intermittently |
Trouble Codes
P0402 | Excessive EGR System Excessive Flow Detected |