Quiz: What is ‘engine knock’ and how does it affect vehicle perfor May 5, 2025 by Alex Turner What is ‘engine knock’ and how does it affect vehicle performance? Discover more about Vehicle Engine and Automobile at our home page. A) Engine knock is a phenomenon where fuel ignites prematurely in the combustion chamber, leading to a loss of power and potential engine damage. B) Engine knock refers to a knocking sound produced by the suspension system, which can affect ride comfort but not engine performance. C) Engine knock is a result of low oil pressure, causing the engine to run inefficiently without affecting its overall performance. D) Engine knock occurs when the exhaust system becomes clogged, resulting in increased fuel consumption and decreased engine noise. Submit Answer
