I don’t understand what is different that prevents cars from starting right up in cold weather. Fuel is present, air is there..spark plugs are …sparking ..and as long as you have a strong battery the starter is turning the engine…why the struggle?
In: Technology
They dont have a hard time, only a diesel generally would.
Modern cars with fuel injection should never have a hard time unless the Cold Cranking Amps of the battery are so low as to cause a problem with turning the starter. It would have to be extremely cold for this to occur.
Diesels are another story entirely since they use glow plugs and rely on compression of gas to create the explosion rather than a spark plug initiating it. But modern diesels are pretty damn good with cold starts these days.
In general its probably going to be the battery more than anything else if a car is having trouble starting in cold weather.
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