Is It Necessary to Clean Combustion Chamber Carbon Deposits?

1 Answers
DelVivienne
07/30/25 7:11am
Cleaning combustion chamber carbon deposits is highly necessary. Severe carbon buildup can alter the engine's original structural parameters, reduce engine power, increase fuel consumption, and in serious cases, cause engine knocking, abnormal noises during acceleration, and damage to pistons and crankshafts. Cleaning carbon deposits can effectively avoid these issues. Below are relevant details about carbon deposits: Cleaning cycle for in-cylinder carbon deposits: Generally, 4S shops recommend that owners perform maintenance every 10,000 kilometers. Owners can adjust this based on their driving conditions. If driving primarily on highways, the interval can be extended to 30,000-40,000 kilometers, while other owners can clean it at 20,000-30,000 kilometers. Effects of excessive carbon deposits: Excessive carbon buildup can alter the engine's original structural parameters, reduce engine power, and increase fuel consumption. In severe cases, it can cause engine knocking, abnormal acceleration noises, and damage to pistons and crankshafts. Carbon deposits accumulate layer by layer, becoming thicker and leading to a vicious cycle. In extreme cases, they can even block half of the intake valve, ultimately resulting in engine oil burning and the need for major repairs.
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