How to solve the problem of carbon deposition in Fit?

How to solve the problem of carbon deposition in Fit is impossible to solve. It is inevitable that any car will produce carbon deposits after driving for a certain mileage: 1. At present, there are only two ways to remove carbon deposits in repair shops. One is to use the disassembly-free cleaning method when the carbon deposition is not serious, and clean by adding special cleaning agent liquid. Second, if the carbon deposition is serious, it is necessary to clean the valve and cylinder block by uncovering the cylinder head; 2. One is to take some preventive and remedial measures to minimize carbon deposition: use clean fuel that meets the label; 3, and cultivate good driving habits, hand shift should be more than 2000 rpm, it is best to pull the high speed regularly, so that the engine can run at high speed to remove slight carbon deposits. @20 19