What does the Engine temperature / coolant warning light mean?

The engine is overheating or the coolant level is critically low.

How much does it cost to fix the Engine temperature / coolant warning light?

Typically $20 to $2,000 in the US, depending on the cause. A hose or thermostat at the low end; a water pump, radiator or head gasket at the high end.

Engine temperature / coolant warning light: meaning, urgency, cost

Urgency:Stop driving

Is it safe to keep driving?

No. Pull over, switch off, and let it cool. Continuing to drive an overheating engine risks a warped cylinder head or a blown head gasket.

Likely causes

Low coolant from a leak
Failed thermostat stuck closed
Cooling fan not running
Failed water pump
Blocked radiator or collapsed hose

Typical repair cost (US)

$20 – $2,000

A hose or thermostat at the low end; a water pump, radiator or head gasket at the high end.

A typical range, not a quote. Actual cost depends on the car, the shop and the fault.

What to do now

Turn the heater on full and the A/C off — it pulls heat out of the engine — then pull over as soon as it is safe.
Never open the radiator cap while the engine is hot.
Once cool, check the coolant reservoir. If it is empty, look for a leak before adding fluid.

Read the full guide →Check your VIN for open recalls →All warning lights