Question about Pontiac Sunfire
Usually,when low temperature code is set,the thermostat is malfunctioning,although it could be a bad temperature sensor too.If the vehicle has alot of miles,and the thermostat is old,go ahead and replace it as it isn't very expensive,and a new one is good insurance against engine overheating as that can severely damage an engine.If the problem still persists,test or replace the temperature sensor,and check the wires and connector for a tight connection.Also check the entire cooling system for leaks or loose connections,weak hoses,and flush and fill with new coolant if old,as antifreeze deteriorates with age too.Good luck.
Posted on Jul 26, 2008
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Posted on Jan 02, 2017
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