Red · Warning lights

Engine temperature warning light

The engine is overheating. Stop safely and switch off. Never open the expansion tank cap when hot: the coolant is pressurised above 100 °C.

Can I drive?No, stop
Red / AmberRed
Likely causes5

Likely causes

  1. Low coolant#1
  2. Stuck thermostat#2
  3. Cooling fan not working#3
  4. Leaking water pump#4
  5. Head gasket#5

    Thick sweet white smoke, mayonnaise under the oil cap and coolant dropping with no visible leak.

Fault codes often linked

Indicative estimate. MecaScan cannot see your vehicle: always have a diagnosis confirmed by a professional, and never work on brakes, steering or airbags without the skills.