2020 Kia Optima Plug-In Hybrid EXFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Removal

WARNING: In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don't do any repair work right after engine stops.
  1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Release the residual pressure in fuel line.

    (Refer to Fuel Delivery system - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")

  3. Remove the delivery pipe & injector assembly.

    (Refer to Fuel Delivery System - "DELIVERY PIPE ")

  4. Remove the connector (A) and the fixing clip (B), and then separate the injector from the delivery pipe.
    G13361757Courtesy of KIA MOTORS AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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