How to disassemble Foton Euromonitor 1746+2?

1, the engine has serious carbon deposition; 2. Ignition system problems; 3. The oil pressure is unstable; 4, engine parts aging. 1, the engine has a serious carbon deposit, and the most common reason for car jitter is that the throttle valve is too dirty or the fuel injector has too much carbon deposit. When there is too much carbon deposit in the engine, the gasoline sprayed by the fuel injection head will be absorbed by the carbon deposit during cold start, which will lead to mixing during cold start.