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does the engine not heat up or does the car not blow out warm air when you turn on the heat?

If the car is not blowing out warm air when you turn the heat on then you need to check your coolant levels. the heat will turn off if there is not enough coolant in the car.

If the temperature gauge shows that your engine is not warming up you may need a new temperature gauge (thermometer)

A2. Another source could be that the radiator thermostat is open all the time. This you may easily check by removing the thermostat from the radiator, and checking that it operates by putting it in some water which you bring to the boil.

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14y ago

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