Can a thermostat make your car not start?
Cold Engine Though a hot engine is one of the signs that something may be wrong, your engine could also start running cold. A cold engine is also caused by a bad thermostat and can affect the operation of your car. This will cause a cold engine, which can cause mechanical issues with the car.
How long do you have to wait after changing thermostat?
After replacing the thermostat, refill antifreeze. Leave the radiator cap off, and start the vehicle. Wait five minutes to allow all of the antifreeze to circulate throughout the engine.
What should I do if my car thermostat is stuck?
Watch the thermometer. When the temperature rises to the number you recorded in step #6, the thermostat will start to open. If it does not, or if it doesn’t open until reaching a different temperature (hotter usually), then the thermostat is bad and should be replaced.
Why does my car overheat after replacing the thermostat?
I just replaced the thermostat because it was stuck open and throwing a CEL, after replacing it the car starts to overheat after I drive it maybe five to ten minutes but once I park it stops gaining temperature and balances out where it is at.
What happens when the thermostat does not open?
When the temperature rises to the number you recorded in step #6, the thermostat will start to open. If it does not, or if it doesn’t open until reaching a different temperature (hotter usually), then the thermostat is bad and should be replaced. If it opens at the designated temperature, then the thermostat is just fine.
Why is my engine light not working after replacing the thermostat?
This can be caused by a defective coolant sensor, radiator partly clogged, fans not working, thermostat or internal engine head problems. The system should be checked with an infrared temperature probe to see if the temperature of the engine is close to that the computer is seeing from the coolant sensor.