In charge of measure the coolant level and inform the vehicle control unit, ECU, and the driver.
LOCATION
Located in the expansion tank or bottle.
COMMON FAULT SYMPTOMS
- Contamination of the coolant
- Leaks in the circuit
- Worn or dirty sensor
- Overpressure in the circuit
- Electrical failure
FAULT EFFECTS
- Engine overheating
- Total engine breakdown
- Light activated on dashboard