question about the cold engine light

[RedRide]

Originally Posted by Stove

With modern engines, waiting a few minutes isn't saving your engine.

What is so special about a "modern engine" that it no longer needs any sort of warm up, even for a minute?
Some modern engine's parts are still designed to fit together properly only when the engine is at full operating temp,.
The only thing that is different with today's engines in they have modern electronic control for fuel injection , etc . This makes an engine run good even when very cold giving some a false sense of security when starting off.

All the aticles about not warming up your enging has to do with wasting a bit of gas, not wether or not it can potentially harm it if you don't

It is still prudent to warm it up a bit, how long should be determined by ambient temp. Would you turn the key and imediatly take off if the car was sitting outside in 10 degree temp?
Often, a bit of common sense can go a very long ways.