Why does my temperature gauge run high?
If the temperature gauge reads high, it could mean your engine is overheating. Another reason your reading might be high is you could be losing coolant. A small leak or evaporation may cause your radiator to slowly lose coolant. A third reason your temperature gauge reads high could be because the thermostat is broken.
Why is my temperature gauge going crazy?
If you’re driving your car and the temperature gauge is stuck on high, low, or going crazy, the issue is most likely with your thermostat. A thermostat stuck in the open position will allow a constant flow of coolant causing a lower operating temperature.
What are common reasons my Toyota Corolla has heater problems?
What are common reasons my Toyota Corolla has heater problems? While there are a variety of reasons your Toyota Corolla heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. See what others are asking about their Toyota Corolla.
Is the radiator fan always running in a 2003 corolla?
As I mentioned in a few posts I had an issue with my 2003 Corolla where the radiator fan was always running with key on. Not only was the radiator fan always running, but it was running on high speed (these cars have one fan that runs at 2 speeds; low and high).
Why is my Toyota engine running so hot?
If you’ve got a Toyota that’s running hot, odds are the problem is related to one of the following issues. Coolant Level Is Wrong If your coolant level is too low, your engine is going to warm up hotter than it should. This is because there’s not enough coolant to make your coolant system 100% functional.
What to do when your Toyota engine is overheating?
This is because there’s not enough coolant to make your coolant system 100% functional. So, step one when you see a hot temp gauge is to check the coolant level of your vehicle. If it’s low, add coolant (but be sure you’re adding coolant the right way, so check your manual ). NOTE: Do *not* open the radiator cap on a hot or warm engine.