How to solve the fuel consumption problem of EFI IV j6p-420?

Hello: Regarding your question, there are many factors that lead to high fuel consumption, such as driving habits (sudden refueling, sudden braking, neutral taxiing, overspeed gear), low tire pressure, adding inferior oil, ignition system failure, electronic control system failure, etc. These will increase the fuel consumption of vehicles. Secondly, if the vehicle is not maintained on time, such as not replacing the air filter, gasoline filter, spark plug and clutch plate in time, it will also lead to an increase in fuel consumption. Then there are carbon deposits and faults in the electronic control system, such as carbon deposits in throttle body, idle valve and fuel injector, and inaccurate signals of oxygen sensor, intake pressure sensor and water temperature sensor, which will affect the fuel consumption of vehicles. If the fuel consumption is too high, a comprehensive inspection is needed. It is not recommended to add fuel treasure to the vehicle again. It's best to go to Chery Specialized Shop for on-site maintenance. I hope my answer is helpful to you.