Clean the throttle. Idle speed drops.

) Generally, the computer needs to be reset after the throttle valve is cleaned by the EFI vehicle. If you don't do it, it is likely to cause a big increase in fuel consumption. Generally speaking, the simplest reset method is to disconnect the battery cable for more than 30 seconds. I suggest you disconnect 1 min, then reconnect and run again. ? (3) However, some models cannot be reset in this way, and must be connected to the maintenance electricity through the OBD interface on the board.