Suzuki GA413 Service Manual page 915

2. Fuel return line
ENGINE AND EMISSION CONTROL SYSTEM 6E-23
REMOVAL
1) Relieve fuel pressure according to procedure described in Sec-
tion 6.
2) Disconnect battery negative cable at battery.
3) Disconnect fuel injector couplers and release wire harness from
clamps.
4) Remove fuel delivery pipe bolts (1).
5) Remove fuel injector(s) (2) from delivery pipe and intake man-
ifold.
CAUTION:
A small amount of fuel may come out after removal of
fuel injectors, cover them with shop cloth.
INSPECTION
WARNING:
As fuel is injected in this inspection, perform in a well
ventilated area and away from open flames.
Use special care to prevent sparking when connecting
and disconnecting test lead to and from battery.
1) Install injector (3) and fuel pressure regulator (4) to special tool
(injector checking tool).
Special Tool
(A): 09912-58421
2) Connect special tools (hose and attachment) to fuel feed hose
(1) of vehicle.
Special Tool
(B): 09912-58431
3) Connect special tool (test lead) to injector.
Special Tool
(C): 09930-88530