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If the coolant level is low in the engine it can cause heat fluctuations from the heater, as well as an incorrect reading on the gauge. Make sure the coolant level is correct in the engine.
fans came late on those car,like 212 and second fan comes on at 224,you reprogram it to come a lot sooner,,other thing is there might be gunk inside the block,and coolant has hard time to pass through,and staying longer than enough in block temp goes high,even tough the radiator is doing it's job,it is just coming out block lot hotter than it suppose to be,and gauge read the block not the radiator
yea they are right right undo the hoses from the coolant container to to the radiator and the hose from the radiator to the engine and let it all drain out then put it back on and put some new radiator fluid in the radiator until ist full and then put some more in the container for extra make sure to put both hoses back on
YOUR ACTION IS REQUIRED:
If the engine is not really overheating and not low of coolant.
IF IT IS DO NOT CONTINUE TO RUN THIS VEHICLE.
RECOMENDATIONS: Sight unseen.
Replace the temperature sensor.
The Failed temperature sensor has a zero reading for the Control board, without this reading the car starts running in limp home mode or Default and assumes the engine is running hot, first thing to go is your comfort... The AC.
In addition starts the engine cooling fan to running full time.
My chevy impala motor keep running hot what is the problem
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