FOLLOW YOUR UPPER RADIATOR HOSE TO THE THERMOSTAT HOUSING SENSOR IS UNDER THE THERMOSTAT HOUSING. FACING TOWARDS DRIVER IT TAKES A 3/4 WRENCH YOU NEED TO PULL AIR CLEANER OFF THERE IS AN ELECTRIAL CONNECTOR GET A SMALL FLAT BLADE SCREW DRIVER TO RELEASE IT . LOOK OUT THINGS ARE TIGHT. YOU CAN GET GOING UNDER TWENTY BUCKS.
engine coolant temp sensor.
The coolant gauge temp sensor is a one wire sensor located on the right rear of the engine block.
where is the engine mangement temp sensor on a ford focus and how is it fitted
On the 2002 4.3L engine the coolant temp sensor is located on the drivers side cylinder head between the #3 and #5 spark plugs.
The sensor is a means for the driver to monitor the operating temperature of the engine .
coolant temp sensor,does just what it says,it relays your coolant temp to gauges!
it is in the water manifold
The coolant temp sensor screws into the thermostat housing. This is located where the top radiator hose connects to the engine.
look for a plug on a coolant pipe that has 1 black and 1 yellow wire that will be the coolant temp. sensor
Engine coolant temp circuit high input. The engine coolant temp sensor make be bad.
The coolant temp sensor will be located very close to the thermostst housing.
If you unplug sensor and one or both fans come on.