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What to Do When the Engine Makes Abnormal Noises While Driving?

3 Answers
NathanDella
07/30/25 12:03am
If the engine makes abnormal noises while driving, it is recommended to promptly visit a 4S shop or a professional auto repair shop for inspection by maintenance personnel. Only by identifying the specific issue can targeted repairs be made. Abnormal engine noises in cars can be categorized into several types, such as noises during rapid acceleration, during cold starts, or at idle. Each situation requires distinct analysis. Common causes of abnormal engine noises include the following: 1. Engine knocking. The symptom is a "clanging" noise from the engine. Engine knocking is mainly caused by the impact between the piston skirt and the cylinder wall during engine 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, intake manifold leaks may cause noises during idle operation, which intensify 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 slipping engine belts. 5. A "clicking" noise from the engine is likely due to carbon buildup. It is recommended to use higher-grade gasoline.
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JaylaDella
08/16/25 3:51am
I remember one time my car suddenly made a strange clicking noise on the highway. At first I didn't pay attention, but it got louder the more I drove, which really scared me. Later, a friend suggested I immediately slow down and pull over. Don't rush to keep driving, or the engine might be ruined. After stopping safely, do a quick self-check: open the hood to see if the oil level is sufficient, and check if the belts are loose or cracked. If you can locate the source of the noise, it's best to note it down. If you're not mechanically inclined, don't force it—call a tow truck to take it to a repair shop. In my case, it was caused by an aging belt, but luckily I dealt with it in time, otherwise it would have cost me a fortune. Make it a habit to regularly listen to your engine sounds during daily driving, and ask the mechanic to check the belts and parts during oil changes to prevent similar issues. All this relates to driving safety and shouldn't be taken lightly, especially during night or long-distance driving.
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VanJohn
10/19/25 5:37am
If the engine makes strange noises on the road, such as knocking or squeaking, immediate action must be taken as it could signal a major malfunction. Having driven for many years, I know the significant risks of ignoring such sounds, like breakdowns or more serious mechanical issues. Before stopping, stabilize your speed, pull over to the shoulder, and turn on the hazard lights to ensure safety for yourself and others. Don’t attempt to drive to your destination; find the nearest safe spot to park. Check the basics: whether the oil level is within range and if there’s enough coolant, but avoid touching internal components to prevent accidents. If the noise persists, quickly call a friend for help or roadside assistance. From a safety perspective, prevention is key—emphasize engine checks during every maintenance, such as adhering to oil change intervals to avoid dust buildup that causes unusual noises. Developing good habits can save hassle and money, preventing small issues from escalating.
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