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Home >> Kia >> 2009 >> Spectra EX, 2.0 2, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> P2231: O2 Sensor Signal Circuit Shorted To Heater Circuit (Bank 1 Sensor 1) >> Terminal And Connector Inspection
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Terminal And Connector Inspection

  1. Many malfunctions in the electrical system are caused by poor harness (es) and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found?

    YES 

    NO 

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