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Is intravenous carbon cleaning effective?

2 Answers

MakaylaRose

07/23/25 8:00pm

Intravenous carbon cleaning has certain effects, but it is not as effective as direct disassembly cleaning. The knowledge about carbon deposits is as follows: 1. Carbon deposits include two concepts: One concept is engine carbon deposits: During engine operation, a kind of coking substance produced by unsaturated olefins and gums in fuel under high temperature conditions. The second concept is carbon deposits in electrical discharge machining, which should be avoided as much as possible in EDM, especially in precision mold processing, as it can have fatal effects. 2. Carbon deposits are a manifestation of abnormal discharge machining in spark machines. From a general engine diagram, it can be clearly seen that the source of power → the air-fuel mixture must enter the combustion chamber through the intake valve; a small amount of gasoline will adhere to the intake valve, and under the high temperature of the engine, the hydrocarbons, paraffin, and gums in gasoline that cannot be completely burned will be turned into carbon deposits. If the fuel injector is fouled, the atomization state of the sprayed gasoline is poor, and the mixing of gasoline and air is uneven, which will increase the amount of gasoline condensed on the intake valve.

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LaAna

08/10/25 6:03pm

Last time I tried the fuel induction cleaning method for carbon deposits, the effectiveness really depends on the situation. My car has over 50,000 kilometers and felt sluggish during acceleration - the mechanic said the fuel injectors were carbon-fouled. The fuel induction method involves injecting cleaner through the engine's air intake, which flows down the intake tract to clean throttle body and some valve deposits. After the treatment, I did notice slightly improved throttle response and about 0.3L/100km better fuel economy. However, for stubborn piston-top deposits or older vehicles with 100,000+ kilometers, this method shows limited results. Those require mechanical cleaning or walnut blasting for thorough removal. Also be cautious with aggressive cleaners - my neighbor damaged his oxygen sensor during the process and spent over 800 yuan on repairs.

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