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Engine Oil Pressure Gauge Always Indicates High

  1. With engine running, compare actual oil pressure with oil pressure gauge reading. If readings are within 10 psi (0.7 kg/cm2 ), gauge is operating properly. Check engine mechanical condition. If readings are not within 10 psi (0.7 kg/cm2 ), go to next step.
  2. Disconnect Oil Pressure Gauge Sensor (OPS) harness connector. Connect a fused jumper wire between ground and Tan wire terminal at oil pressure gauge (component side) connector. If oil pressure gauge indicates high oil pressure, replace OPS. If oil pressure gauge indicates low oil pressure, go to next step.
  3. Disconnect instrument cluster harness connector. Check continuity between instrument cluster harness connector terminal B8 (Tan wire) and OPS Tan wire terminal. If continuity exists, replace instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION. If continuity does not exist, repair open in Tan wire.
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