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Possibly the thermostat is opening and closing with the water pressure changes.
Could be low on coolant also.
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∙ 13y 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 does the temperature gauge on your car fluctuate?
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.
What can cause the temperature gauge to fluctuate in your 2001 dodge ram 1500?
low coolant
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 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 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.
Why would the temp gauge on a 2002 Chevy venture wnew thermostat continue to fluctuate and peg 2x red?
Head gaskets!!
Can you use the word fluctuate in a sentence?
Example sentences for the verb to fluctuate:The financial scare caused the prices to fluctuate wildly.Gas prices fluctuate with the price of oil.My heart's rhythm always seemed to fluctuate wildly when she entered the room.This time of year, the temperature can fluctuate as much as thirty degrees in a day.In the desert, the temperature might fluctuate dramatically from day to night.
Why doesnt your temperature gauge on your 1995 ford mustang work?
What are you talking about? My temperature gauge works fine. Though, if it wasn't I would check the temperature sending unit.
How would you know if the thermostat has to be changed?
Your temperature would usually fluctuate. But if your car has over heated then there is a chance it may need changing
