The engine temperature gauge is faulty.

Test the engine temperature gauge.

Refer to Gages Inoperative - All in Body and Accessories.

The engine temperature gauge sensor is faulty.

Replace the engine temperature gauge sensor.

Refer to Engine Coolant Temperature Sensor Replacement .

The radiator is restricted.

Repair the restriction as needed.

Refer to Radiator Cleaning .

The cooling fan is incorrect.

Install the correct fan.

Refer to Fan Replacement .

The exhaust is restricted.

Repair the restriction as needed.

Refer to Restricted Exhaust .

The thermostat is incorrect.

Install the correct thermostat.

Refer to Engine Coolant Thermostat Replacement .

The water pump is faulty.

Replace the water pump.

Refer to Water Pump Replacement .

The engine oil level is low.

Fill the engine oil to the correct level.

Refer to Approximate Fluid Capacities in General Information.

The radiator grille is blocked.

Repair the grille as needed.

Refer to Radiator Cleaning .

The radiator shroud or the baffles are missing.

Install the correct radiator shroud or the baffles.

Refer to Fan Shroud Replacement or Radiator Lower Mounting Panel Replacement .

The thermostatic fan is faulty.

Replace the thermostatic fan clutch.

Refer to Fan Replacement in Engine Cooling.

The cooling fan is faulty.

Replace the fan.

Refer to Fan Replacement .

The engine thermostat is faulty.

Replace the thermostat.

Refer to Engine Coolant Thermostat Replacement .

The cooling system is plugged.

1. Repair the system as needed.
2. Drain the system.

Refer to Cooling System Draining and Filling .

3. Flush the system.

Refer to Flushing .