What happened to the unstable operation of the engine after the Fit was cut off?

After the Honda Fit engine is turned off, there will be problems such as idling jitter and large floating range of tachometer, which are generally caused by dirty throttle. After power failure, the throttle data will be restored to the factory settings, but the engine is unstable because the throttle is dirty and the air intake cannot be reached. Cleaning the throttle and matching can solve this problem.

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