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Home >> Kia >> 2002 >> Optima LX, 2.7 8 >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> 2.7L V6 Engine >> Engine Block >> Oil Pump Case >> Inspection >> Oil Pressure Switch

Oil Pressure Switch

  1. Check the continuity between the terminal and the body with an ohmmeter.

    If there is no continuity, replace the oil pressure switch.

    Fig 1: Checking Oil Pressure Switch (1 Of 2)
    G00327949Courtesy of KIA MOTORS AMERICA, INC.
  2. Check the continuity between the terminal and the body when the fine wedge is pushed. If there is continuity even when the fine wedge is pushed, replace it.
    Fig 2: Checking Oil Pressure Switch (2 Of 2)
    G00327950Courtesy of KIA MOTORS AMERICA, INC.
  3. Or, if there is no continuity when a 50 kPa (7 psi) vacuum is applied through the oil hole, the switch is operating properly. Check that air doesn't leak. If air leaks, the diaphragm is broken. Replace switch.
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