Fuel Injector Cleaning

1. Relieve system pressure.
2. Disconnect fuel supply line at fuel rail inlet.
3. Attach fuel supply line to return line.
4. Plug fuel return fitting at fuel rail or connect to Tester/Cleaner, depending on configuration.
5. Connect fuel supply hose from Tester/Cleaner to fuel rail.
6. Turn Tester/Cleaner ON. (Tester/Cleaner should run 10 minutes)
7. START engine and check fuel lines for leakage. If there is any sign of leakage, turn vehicle and Tester/Cleaner OFF. Repair leak and return to Step 6.
8. When engine speed has stabilized, set idle speed at 2000 rpm. Run remainder of 10 minute cycle to eliminate all air in fuel supply hose and fuel rail.
9. Turn power switch OFF and disconnect power lines.
10. Disconnect cleaner supply hose from fuel supply rail.
11. Lubricate O-rings with fuel prior to installation and ensure fuel lines are securely connected. Reconnect vehicle fuel lines. START engine and check fuel lines for leaks.