Fuel Injector Leakage Test
- Remove fuel injectors together with fuel rail. For fuel injectors removal, see appropriate FUEL DELIVERY PIPE & FUEL INJECTORS under FUEL SYSTEM
in REMOVAL & 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+). DLC on Optima & Magentis (Canadian) is located on left side, under dash. On all other models DLC is located on left side of engine compartment. See Figure, Figure and 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.