2003 Kia Spectra LS, StandardFACTORY OEM SERVICE PROCEDURE

Volume Test

  1. Remove injectors together with fuel rail.
  2. Secure injectors to distributor pipe with wire.
  3. Reconnect injector connectors.
  4. Connect jumper wire to injector to ECM wires (BRN) and ground.
  5. Turn ignition ON.
  6. Inspect injector volume with graduated container.

    Injector volume: 130 cm 2  (130cc, 7.95 cu-in)/min 

    Fig 1: Inspecting Injector Volume
    G02537276Courtesy of KIA MOTORS AMERICA, INC.
  7. If not as specified, replace injectors. Refer to REMOVAL  .
    NOTE: When reassembling fuel rail and injectors:
    • Use new injector O-rings 
    • Apply a small amount of clean engine oil to each O-ring before installing 
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:

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

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