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The temperature gauge on a car fluctuates because the car's thermostat is opening and closing. The gauge goes up when the thermostat closes and the gauge goes down when the thermostat opens.
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∙ 9y ago
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My Peugeot 306 temperature gauge keeps fluctuating whats wrong with it?
An automobile temperature gauge can fluctuate when the thermostat is opening and closing erratically. The temperature gauge can also fluctuate when the ground wire is loose.
What causes the Coolant gauge to fluctuate on 1994 Ford Mustang?
Temperature.
Why would a 1999 Nissan altima temperature gauge fluctuate and car is not overheating?
My Altima had that problem and it was the water pump going out. It started with temperature gauge was moving, but then it started leaking and finally the heater stopped being warm at idle.
What can cause the temperature gauge to fluctuate in your 2001 dodge ram 1500?
low coolant
What makes the voltage gauge fluctuate when the turn signal is on?
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.
Why would the temperature gauge fluctuate?
Possibly the thermostat is opening and closing with the water pressure changes. Could be low on coolant also.
What controls the temperature gauge on a car?
A signal from the temperature sensor on the engine.
Why does the temperature gauge fluctuate in cold weather and heat comes on and off?
Check coolant level Could be thermostat opening and closing due to engine coolant temperature flutuation
Why does temperature gauge fluctuate after replacing radiator hoses water pump and thermostat?
Potenially a bad temperature sensor or bad contact on the wire connector. Test for set voltage resistance according to temperature.
What is causing your car is overheat when the temperature gauge is normal?
well your car needs a new body kit because that contributes to the temperature of the car
The petrol gauge speedometer and temperature gauge on your car are not working how can you fix this?
=A Gage is gun a 12 gage=
What causes temperature gauge in car hot?
StUck in open position
