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Temperature indicator (blue)


Praveen_Auto

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29 minutes ago, Praveen_Auto said:

My car dashboard indicates this temperature sign in blue even after the engine is somewhat warmed up. After I start driving for about 1.5 minute only it goes off.
 
Can this happen even in this hot climate?

It's the coolent temperature sign and it's normal. Usually it takes a minute or two for coolent to absorb engine heat and reach optimum working temperature. Blue temp sign doesn't mean engine is abnormally cold. It just means that coolent hasn't reached optimum working temperature which is around 95°C .

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42 minutes ago, Praveen_Auto said:

Thanks for comment, btw is it the time taken for oil to reach all parts of the engine or coolant to absorb the heat of the engine...

Or both ?

Your engine has a Coolant Temperature Sensor. It's basically a resistor that changes it's value based on the temperature of the coolant. The sensor is mounted somewhere on the engine in such a way that it's tip touches the actual coolant that's flowing around in the engine. So as the coolant becomes warm as a result of the engine running, the resistance changes. This signal is interpreted by the ECU. When it reaches a certain value (the operating temperature), the blue light turns off. 

38 minutes ago, Praveen_Auto said:

What level of temperature normal car engines get heat up to ?  95°C  ?

How about the engine running at 20-40 km/h and 60 km- 100 km/h or more ?... (just wondering).

It depends on the car, if it's petrol or diesel, type of engine and so on. Coolant is under pressure, so it can take more heat than when the liquid is under atmospheric pressure. A general range under normal operating temperature would be something between 90C and just above 100C.

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It depends on the car, if it's petrol or diesel, type of engine and so on. Coolant is under pressure, so it can take more heat than when the liquid is under atmospheric pressure. A general range under normal operating temperature would be something between 90C and just above 100C.
Much thanks.. Very informative... [emoji4]

Sent from my ONEPLUS A5000 using AutoLanka.com mobile app powered by Tapatalk

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