9-3 SE Convertible (9400) L4-2.0L Turbo (B205) HO (2001)
3. Unscrew the valve cap from the fuel rail service nipple. Connect the pressure gauge equipment, part no.83 93 852, and adapter, part no.83 94 744.
Connect the adapter with the "safety on" to the fuel rail.
"Safety-off" the adapter.