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If your engine is making a knocking noise it means there’s a problem. The wrong fuel octane, carbon build-up, and bad spark plugs can cause knocking.

engine knock
A combustion engine is supposed to run smoothly from start-up to shut-down. Occasionally an engine will produce noises that are difficult to diagnose. Sometimes, when you hear a strange sound coming from under your hood, you may not know what to do. A “knocking” sound is the most typical engine noise indicating a mechanical problem that can be fixed if diagnosed correctly and early.

Noted below are a few facts about why an engine knocks and what can be done to resolve these issues.



What is Engine Knocking?

Knocking in your engine, also described as pinging, can mean one of several problems. Some may be easily fixed while others may indicate major damage. The knocking sound often occurs when the air-fuel mixture is incorrect, which causes the fuel to burn in uneven pockets rather than uniform bursts. Left untreated, it can cause damage to the piston and cylinder wall. A knocking sound can also be caused by a lack of lubrication in the upper cylinder head area. This is typically a ticking sound created by valves and lifters that are loose or not receiving enough oil.

In general, the most c
Read more:https://automobileglobe.com/what-causes-engine-knocks/