How to clean your car`s engine? That question is important for all the car owners whose vehicles have become a little older and they need to clean their car engines. Today, we will try to give you a comprehensive overview of how to clean your car`s engine without spending a lot of money on car detailing products such as ours. For some of us, this might be a dread question as they have never cleaned their car`s engine. But, hold on! it is not as difficult as it looks from the outset.