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Home >> Chevrolet >> 2008 >> Optra LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.8L (LDA) >> Diagnostic Information and Procedures >> DTC P0112 or P0113 >> Component Testing
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Component Testing

  1. Ignition OFF, disconnect the harness connector at the IAT sensor.
    2. IMPORTANT: A thermometer can be used to test the sensor off the vehicle.
  2. Test the IAT sensor by varying the sensor temperature while monitoring the sensor resistance. Compare the readings with the table and verify that the resistance is within 5 percent of the specification.
    • If not within the specified range, replace the IAT sensor.
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