Top Reasons Why A Car Produces Knocking Sound

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When it comes to identifying a risk for your car, the check engine light is second to none. But, there are other accurate ways to identify particular, yet critical, issues in a car.

Carbon deposits inside the combustion chamber

The most common and simplest of problem is carbon deposit inside the combustion chamber or on other necessary components.

However, the carbon build-up usually happens, but it occurs rapidly if there are regular instances of misfire or a half hearted combustion process. The carbon usually starts to build up near pistons, across the cylinder heads. It does take place on other parts of your engine too.

Is this low engine oil level or pressure?

When there is the greatest amount of mechanical movement occurring, what happens without proper lubrication? Without a doubt! Metals will collide and crush one another, and low oil levels can lead to a number of issues. While opening a valve, there could be troublesome lifters. Timing chain issues are a possibility.

Besides, a major cause of knocking is low oil pressure. As oil lubricates a huge number of parts such as a camshaft, lifters, valves, or cylinder head, the distance between parts get exposed, and there might be an occurrence of knocking.

However, you should speak with a consultant for advice. Simply head over to Service My Car.

Is it bad fuel supply due to improper air in the fuel mixture?

The combustion process is complete when sparks finish the ignition of the air-fuel mixture and generate the required power.

However, there might be an instance of excess oxygen in the air to fuel mixture. In such a case, there will be less fuel to burn as compared to oxygen, which usually results in multiple detonations and a knocking sound. Over a period of time, it may have detrimental effects on the internal parts of an engine.

Is it wrong fuel making things bad for your engine?

You should be aware that there are numerous fuels on the market. Different fuels have a range of octant levels, typically, they are measured in octane numbers like 87, 90, etc. However, some of them are not suitable for a certain class of vehicle, and if you fill your tank with the incorrect fuel, pressure will build up in some cylinders that aren't receiving enough oxygen, giving your engine a knocking sound.

The list of knocking causes above, if ignored, can result in even worse outcomes, including catastrophic engine failure, for which an entire engine replacement or rebuild is the only workable fix. If you need any type of car service & repair, service my car provides you free pickup and delivery at the nearest fiat repaircenter.

Service My Car is here to make your life easy while offering your car maintenance at a very affordable price. You have to just book a car service or order a car repair through our website or app.

• Make: Fiat
• Model: 127

Listed: 05/04/2023 Updated: 05/04/2023