The thermometer that reads your engine temperature, I presume, is damaged or broken. Without the gauge to tell your fan how hot your engine is it will keep running as a 'better be safe then sorry' feature.
A low coolant level could cause the temp gauge not to read correctly. A faulty temp gauge sending unit could also be the cause. The coolant leak, you would have to find the source of the leak to determine the cause.
The temp sending unit may be unplugged or faulty.
Because it is not securely fastened.
A common cause is the thermostat being stuck in an open position.
A common cause for a gas gauge to stop working in a 1994 Ford Aspire is a defective fuel gauge. Lose wiring in the dash is another cause.
probably a leak in the intake would cause the rev in neutral and as for the oil pressure gauge i still haven't got that figured out but its not just a problem on tahoes i have a 2500 pickup which also does that ANSWER When was the last time you changed the oil engine?. Replace and check.
There is no dipstick. There is a sight gauge on the bottom left side of the crank case. There is no dipstick. There is a sight gauge on the bottom left side of the crank case.
A short in the turn signal wiring can cause the voltage gauge to fluctuate. A loose ground wire can also cause the gauge to fluctuate.
The gauge does not cause the heat; it only shows what it is.
StUck in open position
Either the wire from the gauge to the sender is broken or the sender is bad.
it is in the fountain inside the fence to the bottom left of the main door, and there are pirhanas. you have to poison the pirhanas to get to the gauge.