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Home >> Chevrolet >> 2008 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.6L >> Diagnostic Information and Procedures >> DTC P1390 or P1396 >> Circuit/System Verification

Circuit/System Verification

  1. Drive the vehicle over 5 km/h (3 mph). Observe the DTC information with a scan tool. DTCs P1390 or P1396 should not set.
  2. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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