Should You Warm Up Your Car Before Driving?

Should You Warm Up Your Engine Before Driving Your Car? Is Synthetic Engine Oil Better? - Subscribe for new videos every Wednesday! - Cars with electronic fuel injection do not need to be warmed up before lightly driving off. This is because fuel injected engines can compensate for temperature changes. Cold engines run rich to compensate for poor fuel atomization. This means extra fuel is injected into the combustion chamber.