It should have a 195 degree thermostat.
195-210
We replaced the temperature gauge in my 1991 Chevy blazer what is the normal operating temp?
Factory said to use a 195 degree thermostat
The temp blend door actuator is probably at fault.
A bad engine temp sensor can do that.
Yes it sure can.
Neither, I believe it's electric.
temp sensor - sends signals to the computer for driveability temp sender - measures temp and sends to gauge in dash
What fuse controls the mirror and compass and temperature in a 2003 Chevy tahoe
It is located behind the grill but in front of the radiator on the passengers side of the vehicle.
The temp sensor for the ECM (engine control module) is next to the thermostat housing.
Code 23 in your 1993 Chevy Blazer is referring to the Manifold Air temp sensor being out of range. Start by looking for the sensor to see if it is unplugged.