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Home >> Chevrolet >> 2009 >> Impala LTZ >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.9L - DTC P0010 To DTC P0113 >> DTC P0117 or P0118 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, observe the ECT Sensor parameter. The reading should be between 37-139°C (-35 to +282°F).
  2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.