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

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

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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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problem details
2002 Audi S8 105,000 mi,
Overheating due to stuck thermostat.