This is a brand new genuine Honda Acura Accord Civic CRV Element Integra RSX Engine Coolant Temperature Sensor (ECT)(TWS) from Honda Motors, Japan. This squarish plug ECT/TW sensor will fit on K-series engine applications K20A K24A including Euro R, Type R & Type S. Please email me and make your own checks if uncertain regarding your application.
The ECT/TW Sensor is a temperature dependant resistor (thermistor). The resistance of the thermistor decreases as the coolant temperature increases. If your CEL or Check Engine Light is ON and the blink code indicates 6 or 86, OR, scan tool indicates DTC P0116, P0117 or P0118, there is most likely a problem with the Coolant Temperature Sensor (ECT)(TWS) circuit.
When the Coolant Temperature Sensor has failed or is failing, it can cause a host of problems. Symptoms such as:
Difficulty of starting engine when cold.
When cold fast idle out of spec.
Frequent stalling while warming up.
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