You will need: a glass gluing kit, a steel string, a sharp knife

Remove the master cylinder for replacement or repair if there is a fluid leak, the clutch does not fully disengage (may be caused by a fluid leak or wear of the seals), or if the clutch does not fully engage (as a result of the compensation hole being clogged or blocked by a swollen seal)

A malfunction associated with loss of idle speed is mainly associated with a failure of the idle speed control valve

To disassemble, remove the gearbox from the car for this:

Code P2123 Pedal Position Sensor A Circuit High Input

Code P2123 is set if:

All the vehicle's control devices are combined into a cluster