LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2003 >> Optima SE, 2.4 6 >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Delivery/Fault Isolation >> Fuel Injector >> Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Injector: Inspection

  1. Measure the resistance of the injectors between the terminals using an ohmmeter.

    Resistance : 13.8~15.2 Ω [at 20°C (68°F)]

    Fig 1: Measuring Fuel Injector Resistance
    G02535559Courtesy of KIA MOTORS AMERICA, INC.
  2. If the resistance is not within specifications, replace the injector.
scientia non olet · About LEMON Manuals