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Engine Fails To Reach Normal Operating Temperature
Engine Fails To Reach Normal Operating Temperature
1. Verify that the cooling system is properly filled. Refer to Cooling System Draining and Filling (Static Fill) (Service and Repair)Cooling System Draining and Filling (GE 47716 Fill) (Service and Repair) .
2. If the complaint is a low temperature reading, check the temperature gage for proper operation. Connect a scan tool to the vehicle and read the system temperature. Compare this reading to the temperature. Replace the gauge or switch if necessary.
3. Refer to Heating Performance Diagnostic (Heating Performance Diagnostic) if the complaint is no heat from the HVAC system.
4. Verify proper thermostat operation. Refer to Thermostat Diagnosis (Component Tests and General Diagnostics) .