Overheating Due to Failing Thermostat on Audi S4
Problem overview
The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.
30 people reported this problem
13 commentsAudi S4 vehicles with this problem
Average mileage: 55,730 miles
(12,700 - 89,000)
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