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Where can I find the coolant temperature sensor on an Audi A3 2.0 TDI?
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★ Top Answer
The thermostat in the Audi A3 2.0 is located in the thermostat housing on the lower coolant line. It is responsible for monitoring the coolant temperature in the line to determine the engine temperature. If the thermostat malfunctions, the engine may overheat, leading to potential damage such as warping or cracking the head gasket. This can result in costly repairs down the line. If your check engine light indicates a faulty thermostat, it is recommended to address the issue promptly. A full replacement costs around $200, so it's best not to delay the repair.
More answers
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The Audi A3 2.0 Tdi's coolant temperature sensor can be found in the coolant pipe, positioned underneath the air intake pipe and situated behind the right cylinder head.
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