What are the hazards of engine knocking in cars?
2 Answers
The hazards of engine knocking in cars include: 1. Decreased engine power and increased temperature; 2. Increased load and wear on internal engine components; 3. Increased formation of carbon deposits inside the engine; 4. Deformation of internal engine components due to elevated temperatures. An engine is a machine capable of converting other forms of energy into mechanical energy, suitable for power generation devices, and also refers to the entire machine including the power unit. Types of engines include: internal combustion engines, external combustion engines, and electric motors. Engines can be categorized by working principle into piston engines, ramjet engines, rocket engines, and turbine engines.
I've experienced engine knocking several times, and the most direct damage is its violent impact on pistons and cylinder walls, which can deform metal components or even cause cracks. Over time, it may lead to piston ring seizure and complete engine failure. Once when I was driving on the highway, the engine knocked, causing an instant power drop and a 20% surge in fuel consumption. The repair afterward cost over ten thousand yuan. Not to mention the annoying rattling noise, which also accelerates spark plug aging. So when you hear abnormal sounds, get it checked immediately—don't try to save small money by using lower-grade gasoline.
