Engine Fails To Reach Normal Operating Temperature: Notes
WARNING: This page is about a different car, the 2003 Pontiac Grand Am and 2003 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that the cooling system is properly filled. Refer to DRAINING AND FILLING COOLING SYSTEM (3.4L) or DRAINING AND FILLING COOLING SYSTEM (2.2L (L61)) .
- If the complaint is a low temperature gauge 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 gauge. Replace the gauge or switch if necessary.
- Refer to HEATING PERFORMANCE DIAGNOSTIC in Heating, Ventilation, and Air Conditioning if the complaint is no heat from the HVAC system.
- Verify proper thermostat operation. Refer to Figure.