How Does A Cooling System Work In A Car The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. a coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. the coolant temperature sensor itself is often quite cheap, and you can often find them for around $40 for a quality one. For example, as per the service bulletin 05 002 12 for the 2011 dodge journey with the 2.4l engine, to repair the trouble codes p0117 (engine coolant temperature sensor circuit low) or p0118 (engine coolant temperature sensor circuit high), the brake booster vacuum hose that was routed too close to the ect sensor connector must be replaced.
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Inside A Car вђ Coolant Temperature Sensors The engine coolant temperature sensor is a crucial component of your vehicle’s engine management system. it measures the temperature of the engine coolant and sends that information to the engine control module (ecm). the ecm then uses this information to adjust the fuel injection timing and ignition timing for optimal engine performance and. Different car manufacturers install the coolant temperature sensor differently. however, it is usually in close proximity of the thermostat of the cooling system, or inside it. there may be two temperature sensors in some vehicles, one to send information from the engine system to the control unit and another from the control unit to the dashboard. The coolant temperature sensor can also fail in a manner that causes it to send a permanently hot signal. this can cause the computer to incorrectly compensate for a lean signal, which can result in overheating, and even misfires or engine ping. 4. check engine light comes on. an illuminated check engine light is another symptom of a potential. Reconnect the electrical connector. if you choose, you may use a small amount of di electric grease on the connector terminals to help keep water off of the pins, which would otherwise result in electrical resistance. add coolant. s tart the engine and check for coolant leaks around the sensor.
Engine Coolant Temperature Sensor Purpose Location And Failure Signs The coolant temperature sensor can also fail in a manner that causes it to send a permanently hot signal. this can cause the computer to incorrectly compensate for a lean signal, which can result in overheating, and even misfires or engine ping. 4. check engine light comes on. an illuminated check engine light is another symptom of a potential. Reconnect the electrical connector. if you choose, you may use a small amount of di electric grease on the connector terminals to help keep water off of the pins, which would otherwise result in electrical resistance. add coolant. s tart the engine and check for coolant leaks around the sensor. 1. your check engine light is on: if the engine’s computer detects a problem with the coolant temperature sensor, or its circuit, it will turn on the check engine light. 2. your engine stalls: when the engine is first started, it will require more fuel in order to idle smoothly until it’s warmed up. the signal from the coolant temperature. A bad coolant temperature sensor may result in a lean fuel air mixture, causing a difficult cold start. 5. fluctuating temperature gauge. the engine temperature gauge on your car’s dashboard gets its input from the coolant temperature sensor. a faulty sensor can cause it to fluctuate erratically as you drive. 6.
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