WARNING: When performing the following procedure, be sure to observe Precautions on Fuel System Service and PRECAUTIONS FOR ENGINE in order to reduce the risk of fire and personal injury.

Remove fuel injector(s). See Fuel Injector Removal and Installation
Set special tools as follows.
Special Tool
1. 09912-58421
2. 09912-57610
3. 09930-86310
1. Fit washer (1) (inside diameter 13.5 - 14.5 mm (0.532 - 0.570 in.)) to injector (2), and then install injector to special tool (A).
2. Connect special tool (C) to injector.
3. Install special tool (B) to special tool (A).
4. Connect fuel feed hose to special tool (A).
  
  Fig 1: Connecting Fuel Feed Hose To Special Tool
  Courtesy of SUZUKI OF AMERICA CORP.
Install suitable vinyl tube (1) onto injector nozzle to prevent fuel from splashing out when injecting.
Put graduated cylinder (2) under injector.
Connect one terminal of special tool (C) to battery positive (+) terminal.
WARNING: There is an increased risk of personal injury and fire if the following procedure is performed without taking proper precautions. Put injectors as far away from the battery as possible when connecting / disconnecting the test lead to / from the battery.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Fuel Injector Inspection