Joke Collection Website - Talk about mood - What is the reason for the increase in fuel consumption of Buick Giant Panda's exclusive 20 13 hand-to-hand?

What is the reason for the increase in fuel consumption of Buick Giant Panda's exclusive 20 13 hand-to-hand?

The 20 13 car has now driven about 30,000 kilometers, and the fuel consumption of this car itself is high. It is normal to use 9 liters 10 liters per 100 kilometers. If it used to be this number, it is now two or three liters higher than the original. It is recommended to look at spark plugs and carbon deposits.

The owner's fuel consumption report on Bear's fuel consumption is as follows.

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