Low coolant level?
Thermostat not opening?
Radiator plugged?
Defective radiator cap?
Water pump not circulating coolant?
System airbound?
Collapsed radiator hose?
Timing not adjusted properly (too far advanced)?
Head gasket?
Gauge not working properly?
Temperature sending unit?
There are many reasons as to why a Sunfire may be running hot. Most likely the car is running low on coolant, or other fluids.
It literally means the oil that keeps the car's engine cool is running hotter than normal.
You should not drive a car that is running hot,because you can lock up the engine.
If the gauge is reading hot and the car is running normal temperatures, the water temperature sensor needs replaced.
yes
change the thermostate
there is something wrong with your car. It's not supposed to run and its not supposed to be hot at the same time. Maybe its running for a fashion contest
The hood of almost any vehicle will get hot when you have been driving the car and this is normal. Excess heat may mean the engine is running hot.
Your Trailblazer may be running hot because your fan is no longer working. It may also be running hot because your don't have coolant in your car.
YES.
When you run on a normal cool or even cold day, when you have finished running you are hot. If it is hot to start with before your run, you are going to get hotter, hotter than running on a cool day.
That depends on what the car is supposed to run at.