How is the fuel consumption of Ming Rui car rising from 0.5 to 0.6 or 0.7?

1, the throttle of the automobile engine has not been cleaned for a long time, and there are too many dirty things on the throttle. Throttle failure will lead to increased fuel consumption. The owner can clean the throttle every 20,000 kilometers or go to a professional 4s shop for maintenance.

2. If the spark plug of the automobile engine fails, or the fuel consumption increases due to electrode wear, the owner can regularly check whether the electrode of the spark plug is normal and replace the spark plug on time.