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Home >> Kia >> 2009 >> Sedona Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> P0171: System Too Lean (Bank 1); P0174 System Too Lean (Bank 2) >> Monitor Scan Tool Data

Monitor Scan Tool Data

  1. IG "OFF" & connect scan tool.
  2. Warm -up the engine to normal operating temperature.
  3. Monitor "Sensor/actuator related to fuel system (HO2S, MAFS, MAPS, TPS, ECTS, PSCA, Injector, and so on)" items on the service data.
    Fig 1: Scan Tool Display - Current Data
    G04883392Courtesy of KIA MOTORS AMERICA, INC.
  4. Is the service data displayed correctly?

    YES 

    • Fault is intermittent caused by poor contact in the sensor and/or PCM's connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

    NO 

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