Check Engine Light and/or Engine Overheating Due to Failed Thermostat on Audi S8

Problem Description and Possible Solution

The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.

Problem Data
RepairPal Verified
Average mileage: 105,000 (105,000–105,000)
6 model years affected: 2001, 2002, 2003, 2007, more2008, 2009
8 people reported this problem
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Overheating due to stuck thermostat.