Fuel Injector Leakage Test
- Remove fuel injectors together with fuel rail. For fuel injectors removal, see FUEL DELIVERY PIPE & FUEL INJECTORS under FUEL SYSTEM in REMOVAL, OVERHAUL & INSTALLATION article. Using wire, secure fuel injectors to fuel rail, see Fig 1. Leave harness connected to fuel injectors.
- Ensure fuel hoses are connected to fuel rail. To operate fuel pump, jumper DLC terminals FUEL PUMP and (B+). On Optima & Magentis (Canadian), DLC is located on left side under dash. On all other models, DLC is located on left side of engine compartment. See Figure-Figure
.
- Turn ignition on. Tilt injectors 60 degrees and watch for leaks. Replace any injectors that leak. Use new "O" rings when installing injectors.
Courtesy of KIA MOTORS AMERICA, INC.