Check Engine Light and/or Engine Overheating Due to Failed Thermostat on Audi S6

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: 59,200 (15,000–101,000)
6 model years affected: 2002, 2003, 2007, 2008, more2009, 2010
10 people reported this problem
2 people shared problem details
2002 Audi S615,000
replace t stat
2008 Audi S661,600
replace thermostat
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