What to Do When the Engine Makes Abnormal Noises While Driving?
1 Answers
If the engine makes abnormal noises while the vehicle is in motion, it is recommended to promptly visit a 4S shop or a professional auto repair shop for inspection by maintenance personnel. Only by identifying the exact issue can the problem be properly addressed. Abnormal engine noises in cars can be categorized into several types. For instance, noises during rapid acceleration, during cold starts, or while idling, each requiring distinct analysis. Common causes of abnormal engine noises include the following: 1. Engine knocking. The symptom is a "clanging" abnormal noise from the engine, primarily caused by the piston skirt hitting the cylinder wall during operation, often due to poor lubrication conditions. The usual solution is to replace the engine's four matching parts. 2. Abnormal noises in the intake and exhaust systems. For example, an intake manifold leak, which produces noise during idle operation, with the noise intensifying as the engine speed increases. 3. A "hissing" noise from the engine is likely due to issues in the cooling system, leading to engine overheating. 4. A "squeaking" noise from the engine, especially more noticeable when the air conditioning is on, is likely caused by the engine belt slipping. 5. A "clicking" noise from the engine is probably due to engine carbon buildup. It is advisable to use higher-grade gasoline.
