যেসব কারণে গাড়ির ইঞ্জিন নক করে | ENGINE KNOCKING
Channel: iFiX
Date: 29/03/2024

Delving into Engine Knocking: Causes and Solutions
Engine knocking, also known as detonation or pinging, is a concerning issue for vehicle owners. It's that unpleasant sound resembling metal hitting metal coming from under the hood, often signaling underlying problems. Understanding the causes behind engine knocking is crucial for maintaining vehicle health and performance. In this blog, we'll explore the various factors contributing to engine knocking and discuss potential solutions to address this issue.

What Causes Engine Knocking?
Low-Quality Fuel: One of the primary causes of engine knocking is using low-quality fuel or fuel with a low octane rating. Octane rating measures a fuel's resistance to detonation. Using fuel with an octane rating lower than what your vehicle requires can lead to premature combustion, resulting in knocking.

Incorrect Spark Timing: Spark timing plays a vital role in the combustion process. If the spark plug ignites the air-fuel mixture either too early or too late, it can cause knocking. This misalignment in timing can occur due to various factors such as a faulty ignition system or improper adjustments.

Carbon Deposits: Over time, carbon deposits can accumulate on the combustion chamber surfaces, including the piston crown and cylinder head. These deposits can become hot spots and lead to spontaneous ignition of the air-fuel mixture, causing knocking.

Overheating: Excessive engine temperatures can also contribute to engine knocking. When the engine overheats, it can cause the air-fuel mixture to ignite prematurely, leading to knocking. Overheating can result from factors such as a malfunctioning cooling system, low coolant levels, or towing heavy loads beyond the vehicle's capacity.

Engine Mechanical Issues: Various mechanical issues within the engine can trigger knocking. These include worn piston rings, damaged bearings, and loose components. Such problems can alter the combustion process and create conditions conducive to knocking.
Solutions to Engine Knocking:
Use High-Quality Fuel: Ensure you're using fuel with the recommended octane rating for your vehicle. Higher octane fuels offer better resistance to knocking and can help
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Keyword: ENGINE KNOCKING | যেসব কারণে গাড়ির ইঞ্জিন নক করে
Car modification in Bangladesh
Engine Idle speed control valve 
Motor mechanic YouTube channel 
Car mechanic in Bangladesh

Key moments: 
intro 00:00
যেসব কারণে গাড়ির ইঞ্জিন নক করে 00:06
Spark plug 01:10
Ignition coil 02:59
Throttle body 04:00
Idle speed control valve ISCV 04:30
Engine mounting 05:13
Air filter 06:58
Fuel pump 06:50
Fuel filter 07:52
PCV Valve 09:05
MAF Mass Air Flow Sensor 10:48
Knock Sensor 11:51
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