This prevents the starter from cranking the engine. The little ‘check engine’ light on your display will probably be on, and your car won’t start. Often, the older your car is, the higher is the risk of having issues with the rotating parts of the engine. If there are issues with the fuel injecting delivery, this could also be a hard start. Regular servicing and checks can prevent these issues. Fuel injection and throttle body cleaning will help jumpstart the engine a lot quicker.