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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 108 (Engine Control System Diagnosis - 1.6L (2 Of 3) - Optima (Except HEV)) >> DTC P0451: Evaporative Emission System-Pressure Sensor Range/Performance >> Wiring Inspection >> Terminal and Connector Inspection

Terminal and Connector Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Many malfunctions in the electrical system are caused by poor harness and terminals.

    Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.

  2. Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
  3. Has a problem been found?
    Fig 1: Fuel Tank Pressure Sensor Circuit Diagram
    G11833843Courtesy of KIA MOTORS AMERICA, INC.

    YES 

    NO