Thank you for detailed reply, so practically how much time is required for warmup?
my car's temperature gauge shown above behave like following.
in figure 1 the temperature pointer is on this position when i first start the engine.
The position changes to the point shown in figure 2 after some 6-7 mins of engine start and idle.
after running the car for like 10 mins in the city traffic the pointer points to the position shown in figure 3 mean total of 16-17 minutes of engine idle and car running, the pointer reaches here.
when the pointer reaches to the position shown in [figure 4 the radiator automatic fan switches ON.
so now my question is that, should i wait for 6-7 mins till the pointer of temperature reaches to it 'C' Position or i should wait for just 2-3 mins to go without looking to the gauge?
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