It should be a 13/16, But thay made 2 different sizes and I don't remember the other size. SORRY.
The coolant temperature sensor can be found on the front of the engine, near the thermostat. Remove the coolant temperature sensor retaining nut, to replace it.
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The temperature sensor on a 1994 Rodeo 3.2 liter is located on the back of the engine. You need to remove the manifold to access the sensor.
The engine coolant temperature sensor is usually on the front of the engine. The coolant temperature sensor will be in the vicinity of the thermostat housing.
Vehicle make, model & engine size needed first.
REMOVE ALTERNATOR FROM DRIVERS SIDE OF ENGINE BLOCK.
The temperature sensor on a BMW 325i is located on top of the engine, near the upper radiator hose. It constantly monitors the temperature of the coolant and triggers the cooling fan as needed.
Likely a faulty coolant temperature sensor. Change the sensor.
the coolant temp sensor( cts) reads the temp of the engine and adjust the fuel air mixture depending on the temp. if its cold out the sensor will adjust for more fuel to ease the start of the engine. ADDITIONAL: The Coolant Temperature Sensor measures the temp of the coolant, not the engine. The sensor controls the thermo fans on/off. depending upon temperature. The actual engine temperature sensor is on top of the engine and does not control the fans. If the fans do not switch on at any temperature, disconnect the 2 wire connector from the sensor (Usually at the bottom of the radiator) If fans start up with connector disconnected, replace the sensor.
The temperature sensor for the coolant system is located on the front of the engine. The exact location of the coolant temperature sensor is dependent upon the year of the engine.
The temperature sensor on a 2004 Neon 2.0 engine is located on the driver side of the engine below the cam sensor.
Your engine coolant temperature gauge has a sensor ( there is also a engine coolant temperature sensor that is used for the computer / PCM )