Problem overview
Flex fuel vehicles can develop fuel calibration issues resulting in illumination of the Check Engine Light and/or lack of power. This commonly occurs if only short trips are taken after changing fuel type from E85 to gasoline or gasoline to E85. In most cases, the fuel calibrations can be reset for gasoline using a properly equipped scan tool.
46 people reported this problem
16 commentsChevrolet Impala vehicles with this problem
7 model years affected
Average mileage: 82,201 miles
(10,000 - 254,000)
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