See this link http://www.a4mods.com/index.php?page=webcontent/pages/ECTsensor.html
The coolant temperature sensor in a 2004 Ford Escape V6 is located near the front of the motor. It is down low near the water pump and in front of the oil filter.
The temperature sensor in a 2004 Duramax diesel is typically located near the thermostat housing or on the cylinder head. It helps monitor the engine's coolant temperature for proper engine operation and efficiency. You can consult the vehicle's service manual for the exact location.
It is located in the intake manifold near the thermostat housing.
The 2004 Chevrolet Malibu coolant sensor float is located in the radiator. The coolant sensor float replace the level of coolant to the instrument panel.
Coolant Temperature Sensor/Switch (For Computer)Engine, Left Front
The one the ecm reads is located right next to the thermostat housing.
on the cylinder head
On a 2004 Pontiac Montana, the coolant temperature sensor is typically located near the engine block, specifically on the intake manifold or cylinder head. It is usually found close to the thermostat housing. This sensor monitors the engine's coolant temperature, which helps regulate the operation of the cooling fans. Always refer to a repair manual for precise locations and procedures.
The Cylinder Head Temperature (CHT) sensor for the 2.3L engine is located between the two center ignition coils. The Engine Coolant Temperature (ECT) sensor for the 3.0L engine is located in the intake manifold to the right of the thermostat housing. The Engine Coolant Temperature (ECT) sensor for the 4.0L engine is located in the intake manifold behind the thermostat housing.
It is located under the plastic radiator fill tank They only cost about $7 to $9 for the sensor as I bout one today for a 96 Cavalier 2.2
In a 2004 Renault Scénic, the engine coolant temperature sensor is typically located near the thermostat housing or on the engine block. It is usually mounted in the coolant passage to accurately measure the temperature of the coolant. To access it, you may need to remove some components, depending on the engine layout. Always refer to the vehicle's service manual for specific details on the location and removal procedures.
For the 2.7l v6 engine, it is right on top of the engine next to the coolant bleed valve. As you are standing in front of the car after raising the hood, look right to the left of the intake manifold. There you will see the coolant temperature sensor and connector and the coolant bleed valve, both in the same plastic housing.