Is the Engine Ticking Sound Indicative of Cylinder Scoring?

3 Answers
OViolet
07/29/25 7:02am
Engine ticking is not necessarily indicative of cylinder scoring. The causes of engine ticking can include aging or loosening of engine mounts, excessively rich air-fuel mixture, or malfunction of the high-pressure fuel pump. For engines with high mileage, excessive clearance between the camshaft and hydraulic lifters can also produce such sounds. An engine is a machine capable of converting other forms of energy into mechanical energy. It can refer to either a power generation device or the entire machine including the power unit. Types of engines include internal combustion engines, external combustion engines, gas turbines, and electric motors. The basic structure of an automotive engine consists of components such as the water pump housing, connecting flange or pulley, water pump shaft and bearings or integrated bearing units, water pump impeller, and sealing devices, making it a fundamental part of the automobile.
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GrahamMarie
08/12/25 11:28pm
When I was younger, I also encountered a ticking sound from the engine, which was indeed a bit scary, worrying whether it was something major like cylinder scoring. Generally, ticking sounds aren’t necessarily caused by cylinder scoring; cylinder scoring usually manifests as heavier metal friction or strong knocking sounds, accompanied by a sharp increase in fuel consumption and a drop in power. In comparison, ticking sounds are more often minor everyday issues, such as excessive valve clearance, insufficient lubrication of the chain due to thin engine oil, or minor problems with the ignition system. After prolonged engine use, thermal expansion and contraction or wear of metal components can cause such sounds, especially during cold starts in winter. I suggest you first listen to the pattern of the sound: if it only ticks at idle, it might be related to the cooling system or fuel injectors; if it continues to tick during acceleration, then you should check whether the hydraulic lifters are worn. Regularly changing the engine oil can effectively prevent such noises from developing into major issues. In short, don’t panic—find a reliable repair shop quickly to diagnose it with a scanner, so small problems don’t escalate.
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DiMia
10/04/25 5:17am
I had driven for several years before, and the ticking sound from the engine always made me nervous, thinking it was cylinder scoring threatening safety. But my actual experience told me that ticking noises are mostly not caused by cylinder scoring; in such cases, the sound usually turns into strong vibrations, even accompanied by blue smoke or warning lights. On the contrary, ticking sounds are often caused by simple factors, such as an aging engine oil pump, improperly adjusted valve train clearance, or slightly loose bearings. Although these minor issues don’t affect emergency driving, ignoring them for too long may lead to timing chain skipping or valve damage, eventually resulting in costly repairs. I suggest you address it early: pay attention to the sound frequency while driving—if the ticking only occurs at low speeds, try adding high-quality oil to improve lubrication; if it happens all the time, don’t hesitate to stop and inspect or contact a mechanic immediately. Safety comes first—avoid major losses due to minor neglect, and replacing parts isn’t expensive anyway.
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