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Sending Units/Sensors

SENDING UNITS/SENSORS LOCATION

Component Location
Airflow Sensor On fuel distribution head.
Altitude Sensor On left plenum head.
Coolant Level Sensor In coolant reservoir tank.
Coolant Temperature Sensor (Golf & GTI) In upper hose flange, on left side of engine. See Figure.
EFI Temperature Sensor (Golf & GTI) On left side of engine block. See Figure.
Fuel Gauge Sending Unit In top of fuel tank.
Glow Plug Temperature Sensor (Diesel) In coolant flange on left side of engine. See Figure.
Knock Sensor Lower left corner of block.
Oil Temperature Sending Unit (Golf & GTI) In oil filter bracket. See Figure.
Oxygen Sensor In exhaust manifold or catalytic converter.
Temperature Gauge Sensor (Diesel) On coolant flange at rear of engine. See Figure.