Engine Coolant Temperature Sensor Water Temp Switch For cars etc. Specification: OE number?? 5149077AA,5149077AB, 5149096AA, 5149096AB Used for: The coolant temperature sensor is used to monitor the temperature of the engine coolant, and ECM achieves the corresponding control after the temperature signal is sent to the engine control module ECM as the engine temperature signal.Cylinder head Failure Malfunction Indicator Light (MIL) illumination, failed emission test, engine no-start condition, engine hesitation on acceleration, engine cooling fan condition turns on too late or not at all. Damage reason:short circuit Note:Please check the OE number before purchasing!!! Functions: .
