The iron plate at the mouth of the oil tank does not return.

It is the return spring in the iron plate that is not good.

Never mind that there are anti-theft and overflow devices inside. If you have to struggle to repair it, it will be very troublesome, and the mailbox will have to be opened. If the throttle cannot be stepped on or it is difficult to straighten, it is recommended to clean the throttle body with carbon deposits, and then lubricate the valve pedal. Check whether the accelerator pedal return spring and the accelerator pull rod return spring are broken, detached or stuck. This situation will distinguish between the south and the north.