It's normal for people to start the engine in the morning and drive it away without any hesitation. But do you know that the engine will get hurt without any warm up.
Even our human needs to warm up before start to run, so do engine. The best time for warming the engine should be 2 to 5 mins before you shift the gear and drive.
There are many critical parts in engine which will make sure your car run smooth after warm up. Piston and cylinder wall gaps, camshaft and head gaps, crankshaft, they need some heat to gain some clearances.
Engine oil also needs its operating temperature before it performs well, this might be a couple kilometer i think. Before engine start up, most of the engine oil will return back to the bottom container aka crankage. Which means turning parts like camsahft, connecting rod are not well lubricating. So imagine what will happen if you start your engine and just press the pedal, ouch it hurts me !!! The engine operating temperature will help us to make sure the engine performs well and some said that it can save your fuel. As a conclussion, there are no bads in warm up the engine. So next time start your engine, wait for 2 mins and engine problems will get away.
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