Where is the temperature sensor located in the Audi A8?

1 Answers
LucasFitz
07/29/25 5:29pm
There are two types of temperature sensors installed in the vehicle: the coolant temperature sensor and the intake air temperature sensor. The coolant temperature sensor is installed on the engine coolant passage, while the intake air temperature sensor is located inside the air cleaner housing, the surge tank, the air flow meter, or the intake manifold. Function of the coolant temperature sensor: It detects the engine coolant temperature. The sensor is fully enclosed and uses resistance changes to measure the water temperature. The signal voltage generated by the sensor is input to the ECU, which then controls the ignition timing, adjusts the fuel injection quantity, and manages the engine in real-time based on the coolant temperature to ensure normal operation under various conditions. Function of the intake air temperature sensor: Since changes in intake air temperature affect air density, the cooling intensity of hot wires or hot films, and the atomization of the air-fuel mixture, the intake air temperature sensor provides a signal to correct for these effects.
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