13 changan yidong, I feel that the fuel consumption has increased a lot in the last six months. What is the reason?

There are many reasons for the increase in fuel consumption. Let me talk about the three most common faults. First of all, the dirty throttle leads to an increase in fuel consumption, so it is necessary to clean the throttle regularly, generally about 20 thousand kilometers. Because all vehicles now use electronic throttle, you must do an idle learning after cleaning the throttle, otherwise the idle speed will become high. Secondly, too much carbon deposition in the intake port and cylinder will also lead to an increase in fuel consumption, so it is also necessary to clean up the carbon deposition in the lower cylinder and intake port regularly. It is usually cleaned once every two years or so. Third, the aging of spark plugs will also increase fuel consumption, so spark plugs need to be replaced regularly. Generally, ordinary spark plugs are replaced every 3 kilometers or so. Platinum spark plugs should be replaced every 10W km or so. If you feel that the power is insufficient, you need to replace it as soon as possible.