How to Clean Carbon Deposits in the Car Throttle Body?

1 Answers
StManuel
07/30/25 8:37am
Methods for cleaning carbon deposits in the car throttle body: First, remove the intake hose to expose the throttle body, disconnect the negative terminal of the battery, turn off the ignition switch, straighten the throttle plate, spray a small amount of carburetor cleaner into the throttle body, and then carefully wipe the deep parts of the throttle body with a polyester cloth or high-density non-woven fabric. For areas that are hard to reach by hand, use a clip to hold the cloth for careful cleaning. Carbon deposits are a sticky substance formed from unsaturated olefins and gums in fuel under high temperatures during engine operation. They can accumulate in various parts of the engine, such as the intake and exhaust systems, combustion chambers, and fuel injectors. Carbon deposits have oil-absorbing properties, causing incompletely burned gasoline to turn into more carbon deposits, layer by layer, becoming thicker and leading to a vicious cycle.
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