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A stuck open thermostat will cause a car to run cooler than needed. It will cause oil to sludge, a loss of gas mileage due to running rich and numerous other problems.

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16y ago

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Can a car overheat with a stuck open thermostat?

Usually the car would run cool, unless the thermostat is stuck partially open.


Would a bad thermostat cause check engine light to come on in a 2007 crown vic?

A defective thermostat can cause the engine to overheat. It can also cause the engine to not reach full operating temperature if the thermostat is stuck open. It is possible this could set the check engine light.


What affect will a bad thermostat have on an automobile heating system?

A stuck open thermostat will not allow the coolant to get up to proper temp, thus poor heat from heater. A stuck closed thermostat will not let coolant circulate and will cause the engine to overheat.


What happens to the motor when you put in a thermostat backwards?

It will probably overheat. answer= thermostat will not open and will prevent the flow of coolant . which will in turn do damage to your engine


How can detect a bad car thermostat?

If thermostat does not open - Vehicle will overheat in a short time - no heat If thermostat does no close - vehicle will not get to normal operating temperature - no heat


What would cause no heat in 2001 Hyundai accent even after running for awhile?

Most likely your thermostat is bad. If you are not getting heat it is stuck open. If it sticks closed, your engine will overheat and be ruined. I would replace the thermostat A.S.A.P.


How do you know if your thermostat is stuck?

If the stat is stuck open,your car will slowly overheat and not reach normal operating temperature, if it is stuck closed it will overheat very quickly.


Can a bad thermostat cause damage to your car?

Yes. If stuck closed the car will overheat. If stuck open the car will never warm up properly and the oil will slowly turn to sludge.


What will happen if the thermostat is installed backwards in your 99 Mercury Sable?

The thermostat will not open properly when installed backwards. The coolant will not flow and the engine could overheat.


Can a bad thermostat cause your battery to go dead and ac blow hot air And what other negative effects can a bad thermostat have on your vehicle?

I've actually heard a bad thermostat can cause the evaporator core to malfunction.I've also heard of some a/c compressors will shut off if the engine temp gets to high which could be a thermostat issue. No, the thermostat has no effect on the battery or on the A/C. A thermostat either works correctly or it will stick open or stick closed. Sticking open will cause the engine to never reach full operating temperature, and as such your heater will not work properly. A thermostat stuck closed will cause the engine to overheat.


How do you fix a mira sport electric shower if the overheat protection thermostat has tripped?

First you must check why the overheat (one shot) thermostat has operated Is yours a hard water area ? If so the heater tank and heating element could be scaled up. This will severely limit the transfer of heat into the flowing water and cause an overheat of the heating element. The overheat will open the one shot thermostat. Check the heater tank and if not scaled fit a new one shot thermostat. Obtainable from Mira as a spare part. If the heater tank is heavily scaled I also advise to fit a new heater tank


What happens when thermostat does not open?

If the thermostat does not open, it will prevent the coolant from circulating through the engine properly. This can result in the engine overheating and potentially causing damage. It is important to replace a faulty thermostat to prevent engine issues.