Dongfeng Citroen adopts advanced power system and is equipped with 1.6L and 2.0L two displacement engines, of which 1.6 cars can meet the needs of the family, but the engine and gearbox technology are relatively backward, the body is heavier, and the power is small horse-drawn cart. The owner felt that the car was starting to flesh and there was no pleasure in driving it. Under the recommendation of a friend, the agent installs the TROS electronic throttle accelerator. The electronic throttle accelerator can improve the response speed of the electronic throttle and improve the sensitivity of the vehicle throttle. After the installation, the starting sound is obviously stable, and the lightly stepping on the throttle has a strong sense. Running up and pushing back, the most important thing is the fuel-saving mode,