Important Formula

Knocking In Diesel Engines. Diesels actually do not suffer exactly the same knock as gasoline engines since the cause is known to be only the very fast rate of pressure rise, not unstable combustion. When sudden and violent knock are experienced in a petrol engine, these knocks are termed as “detonation”.

Uncontrolled combustion in petrol engine is known as knocking and in diesel engine its called as detonation. You are just not familiar with the sounds that a diesel engine makes. > question as answered what does knocking in petrol engine mean and how is it different from detonation.

Diesel Cars Pros And Cons. Lower fuel cost, higher resale value, longer lasting engine; Diesel engines have a longer lifespan than gasoline.

Although the future of diesel may seem uncertain due to efforts to reduce air pollution, there are still some benefits to buying a diesel car. The first big benefit of a diesel car is that they actually use less fuel. While diesel might be in right now, many should consider the pros and cons of having a car that runs on this type of fuel.