Maximum Fuel Pressure (Rio & Spectra)
- Release fuel pressure. See FUEL PRESSURE RELEASE . Disconnect battery negative cable. Remove rear seat cushion. Connect Fuel Pressure Gauge (0K2A1 131 001) to main fuel line at fuel tank. See Fig 1. Connect battery negative cable.
- To operate fuel pump, jumper DLC terminals FUEL PUMP and (B+). DLC is located on left side of engine compartment. See Figure. Turn ignition on. Check maximum fuel pressure. Do not run fuel pump longer than necessary to check fuel pressure. See FUEL PRESSURE SPECIFICATIONS table. If fuel pressure is not as specified, replace fuel pump. See FUEL PUMP under FUEL SYSTEM
in REMOVAL & INSTALLATION article.
Courtesy of KIA MOTORS AMERICA, INC. FUEL PRESSURE SPECIFICATIONS
| Application |
psi (kPa) |
| Optima & Magentis (Canadian) |
| Fuel Line Pressure |
| Regulator Vacuum Connected |
37 (255) |
| Regulator Vacuum Disconnected |
46-49 (320-340) |
| Rio & Spectra |
| Maximum Pressure |
65-94 (450-650) |
| Fuel Line Pressure |
46-51 (320-350) |
| Holding Pressure |
Minimum 25 (180) |
| Sedona |
| Fuel Line Pressure |
| Regulator Vacuum Connected |
39 (270) |
| Regulator Vacuum Disconnected |
46-49 (320-340) |