Haojue VF 100E cold car throttle does not return.

The throttle wire or throttle handle is stuck. The throttle of Haojue VF 100E cold car does not return, which is generally caused by the throttle line or throttle handle being stuck, and the throttle or carburetor throttle and oil needle being stuck. You can check whether the accelerator pedal return spring and the accelerator pull rod return spring are broken, detached or stuck. If there is no problem, check the oil return of carburetor, throttle and accelerator pump.