2001 Pontiac Montana "wrong temperature goes down car" Questions

...wrong?? could my head gasket be gone or what?? and also i have some back firing sometimes. I have replaced my spark plugs, and wires only about 20,000km on them but i did not replace the coils. And ...

...it is overheating and then it corrects itself and the guage goes back down How about a temperature sensor? If it's faulty it could be sending the wrong messages to your computer and your dash

temperature gauge keeps bouncing up and down what can i do to fix this I have a 2000 chevy impala when I'm on the highway the temp gauge goes down, but in town stop and go traffic it goes up. what is ...

...temperature gauge here ,something is or could be wrong with its electrical conductivity ,or the cooling fan is coming on too late which could be caused by a similar problem with the fan temperature ...

...wrong? car does not get hot as i drive it actually cools down when I turn the heat on it goes alll the way to the H. When in idle it goes to the 3/4 mark of the temperature gauge. I heard it could be ...

temperature goes down to 196-198 degrees. I brough it to the mechanic and he said "the cooling system is working like it's supposed to. But maybe the thermostat needs to be changed because it could be

the same thing. What else can be wrong with it? Thank you. The temperature sending unit may be bad at that mileage being coated with coolant sludge . A loose connection can cause fluctuating readings

...temperature will then go back down when the vehicle starts moving and air begins to flow through the radiator. Get your radiator cooling fans checked! Please also review this article: What Else Could ...

...to the computer fails, it can cause this symptom, because it is telling the computer the wrong engine temperature. If the one to the radiator fan fails, the car will overheat. God bless your ...

...temperature going up to atleast 195 to 20 degrees? If it is then theres something wrong with the control that switches it to hot and cold.Its either the control its self or what they call the blend ...