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There are many possible reasons. You need to start by checking-
1. coolant level- If it is low, refill and recheck. There might be a coolant leak and you can get the system pressure checked, could be a blow head gasket. Coolant has a smell that is unique, if you smell something check for drip marks under the car after being parked. A leak from the radiator, hoses, temp sensor will usually have a residue/color stain.
2. check to see if the fan is working- a blow fuse/relay/motor if it is electric. If it has a clutch, check for clutch leaking fluid. It should have resistance when manually spinning when the engine is off.
3. check for debris in the grill radiator, blockage will reduce air flow.
4. Is the check engine light on? Have the codes read, it can diagnose sensor faults, misfires, blow head gasket.
5. Has the thermostat ever been replaced? with the engine warm, check the coolant return hose to radiator is warm, be careful if you have a mechanical fan. If the engine is at or above normal operating temperature and the hose is not hot the thermostat is stuck closed.
What else can I help you with?
Why is your car steaming only in drive but not overheating?
my car isn't steaming only in drive but not overheating.
Why is my car overheating when in idle?
Your car is overheating when idle because there may be a lack of oil or water in the engine. It can also be a problem with the engine itself. If your car is overheating, simply contact a wrecker or a road assistance company. The police are also available to assist you.
Should you buy a car with overheating problems?
You should not buy a car with overheating problems. This means that it will not serve the purpose and will develop other mechanical problems.
What does it mean when your car is overheating and smoking and a noise coming from the engine?
your car is broken
What is wrong with your car if the engine cuts off and the car starts to smoke?
It means the car is overheating.
Why is my car overheating and revs up and down?
There are several reasons why your car may be overheating. Check the thermostat to be sure it isn't stuck. If the car revs up and down, the timing may need to be adjusted.
Why is your car still overheating I have changed my thermostat and flushed the radiator and the car is still overheating?
Either the water pump impeller is loose on it's shaft, or you have a leaking head gasket.
Can your car engine or motor lock up from overheating?
Yes
Why do you put anti-freeze in a car?
To prevent the engine from overheating.
What is the Cause of car overheating after the Water pump has been replaced and there are no leaks from coolant?
It could just be that the water pump is not properly working. Have you checked all the could-be causes for your car overheating if not then do so.
What does it mean if the radiator cooliat in a car is not moving when the car is on?
If the engine is not overheating and the temp gauge reads normal, the thermostat is doing its job. If the engine is overheating, the thermostat may be stuck and in need of replacement.
What happens if you drive your car while its overheating?
In brief, you will blow the engine.
