One problem related to check engine light on has been reported for the 2011 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 GMC Sierra 2500 based on all problems reported for the 2011 Sierra 2500.
The contact owns a 2011 GMC Sierra 2500. The contact stated that while driving at 40 mph, the exhaust fluid and the check engine warning lights illuminated. The vehicle was taken to the dealer to be diagnosed. The contact was informed that there was kerosene mixed in with the diesel fuel. The contact stated that the fuel was drained from the fuel tank and new fuel was added. The manufacturer was notified of the failure. The approximate failure mileage was 28,028.
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| Engine Exhaust System problems | |
| Check Engine Light On problems |