You could have a bad thermostat....mine wasn't moving at all and the fan would come on at start up.Make sure to clear your computer after you change it.
# 1 check point..Your sending unit has worn out. No big deal...Easy to replace..
get a new temperature sensor.
Possibly low on coolant. Next most likely is a coolong fan not working. next a thermostat being stuck closed after thata water pump.
bad temp sender usually. Bad gauge rarely.
If your gas gauge is not working on your 2000 Impala you need to take it in to a repair shop. There could be a fuse that needs to be replaced to prevent you from running out of gas.
Replace your thermostat had same problem it sets a code but no check engine light
It is possible that the temperature gauge has stopped working in a 1992 Tempo due to a blown fuse. It is also possible that the temperature gauge stopped working do to the temperature sensor in the engine having a short.
Your fuel pump it cost on average 300 to buy another one but in Texas pep boy's is the cheapper place to go. I just had this problem corrected in my impala today i have a 3.4 liter.
my o6 chevy impala is lighting up on the dash that the engine is hot but the gauge is saying its cold what is wrong and how can i fix it?
We replaced the temperature gauge in my 1991 Chevy blazer what is the normal operating temp?
get a circuit tester and start looking with the key on
Temperature gauge not moved and the fan's always are working