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Home >> Chevrolet >> 2008 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L (L34 GMDAT) - DTC P0016 To DTC P0317 >> DTC P0217 >> Component Testing

Component Testing

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