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The temperature sender (the sensor that sends the temperature signal to the gauge) has to be immersed in coolant in order to correctly read the temperature. If the coolant is so low that it leaves the sender high and dry, the temperature shown on the gauge will not be a true reading.
if the sensor is not immersed in the coolant, there a big chance it wont read at all...
What else can I help you with?
What would cause The temperature indicator on your neon keeps cycling from hot to cold?
check antifreeze level
What causes temperature gauge in car to be cold?
If you are referring to the temperature reading on the gauge, then it's possibly a bad thermostat.It will also read 'cold' until the engine has sufficiently warmed up.Lack of fluid (water and/or antifreeze) in the radiator.Low engine temperature (bad thermostat).Low coolant level.Bad gauge.Wiring issue.Coolant temperature sensor bad or not correctly grounded.Problem in an electornic control module.
Why would a 2001 Honda civic temperature gauge is moving from cold to hot?
Probably low coolant or a faulty thermostat
What does it mean when your coolant temperature gauge reads cold even when warm and the idle is high?
Low Coolant or faulty gauge
Why is car temperature gauge reading cold whilst you are driving?
at the beginning it will be cold, but it will warm up as you start driving
Why does your car rev up and temperature gauge show cold?
Thermostat is gone, change it
What does it mean when the temperature gauge keeps going from cold to hot then back to cold?
Could be low on coolant or a sticky thermostat.
Would straight antifreeze make heater blow cold air?
No! Thermostat.
1993 ford explorer limited edition temperature gauge always reads cold Changed thermostat but this is not the problem What might be wrong and how would you fix it?
check the connections behind the gauge they could pop loose
Would the temperature sensor cause the coolant temperature dial to always stay in the middle even with the engine cold and where is it located on a 1996 Mitsubishi Galant?
Unplug the coolant temp sensor and check what the gauge says...If it falls to cold, then the sensor is at fault. If it stays, then the gauge is either faulty or the contact points on the back of the gauges need to be cleaned... Unplug the coolant temp sensor and check what the gauge says...If it falls to cold, then the sensor is at fault. If it stays, then the gauge is either faulty or the contact points on the back of the gauges need to be cleaned...
What should you do if on your '93 Taurus the temp gauge fluctuates and you can smell antifreeze?
Make sure it is full of coolant. There probably is a small leak causing the smell. Check it cold as sometimes it leaks cold but not hot.
What would make a Mercury Cougar blow cold air and the temperature gauge to show cold?
Check your thermostat. Looks like it is stuck open and needs replacing. That could be why your engine is running cold. Atleast its not stuck in the closed position.
