LEMON Manuals: Even more car manuals for everyone
Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Fuel Delivery System (PHEV)) >> Release Residual Pressure In Fuel Line

Release Residual Pressure In Fuel Line

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative (-) battery terminal.

    (Refer to Engine Electrical System - "AUXILIARY BATTERY ")

  2. Remove the fuel pump fuse (A).
    G14957061Courtesy of KIA MOTORS AMERICA, INC.
  3. Connect the battery negative (-) terminal.
  4. Run the engine for about 1 minute to lower the pressure in the low pressure line.
  5. Switch "OFF" the engine.
  6. Open the clamp cover and disconnect the fuel feed tube (A).
    G14957062Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • When removing the quick-connector with the clip removing tool, be careful not to damage the plastic clip (A).
      G14957063Courtesy of KIA MOTORS AMERICA, INC.
    • Damaged clip can result in fuel line leakage due to bad connection.
    • There may be some residual pressure even after completing "Release Residual Pressure in Fuel Line", so cover the hose connection with a shop towel to prevent residual fuel from spilling out before disconnecting any fuel connection.
  7. Start the engine and let it idle until the engine stops.
  8. Proceed with the service or repair.
  9. Reinstall/reconnect all components in reverse order of removal. Start engine and confirm proper operation, and make sure there are no fuel leaks.
  10. After completing, clear DTC(s) using KDS (the procedure described above will cause DTC to set).