How to Clean Carbon Deposits in the Engine?

1 Answers
DelAlexander
07/30/25 5:37am
Methods for cleaning carbon deposits in the engine: 1. Connect a carbon deposit cleaner to the engine's fuel injector, using the cleaner to soften the carbon deposits inside the engine so they can be burned and expelled; 2. Disassemble the engine's intake manifold for cleaning, then scrape off stubborn carbon deposits, and reassemble the engine after cleaning; 3. Drive more on long trips or highways, as the vehicle in a warmed-up state hardly produces carbon deposit buildup, and the high-speed operation of the engine can expel some carbon deposits. Carbon deposits are a coking-like substance produced during the engine's operation from unsaturated olefins and gums in the fuel under high temperatures. They have oil-absorbing properties, causing incompletely burned gasoline to turn into more carbon deposits. Carbon deposits reduce engine power, increase fuel consumption, and in severe cases, can cause engine knocking, acceleration noises, and other issues. They can also damage pistons and crankshafts, potentially leading to engine oil burning and requiring major repairs.
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