How to match Dongfeng Citroen C2 after washing the throttle?

Only the electronic throttle is used for matching. The matching method is as follows:

1: disconnect the battery and replace it after 5S.

2: Turn on the ignition switch, press the accelerator pedal to the bottom and wait for 5S.

3: Turn off the ignition switch and get on the bus after 5S to see if the matching is completed. If not, repeat steps 2 and 3.