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Home › Chevrolet › 2006 › Optra LS, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - 1.4L DOHC › Diagnostic Information and Procedures › DTC P1390 or P1396 › Circuit/System Verification

Circuit/System Verification

  1. Drive the vehicle over 5 km/h (3 mph), DTC P1390 or P1396 should not set.
  2. If the vehicle passes the Circuit/System Verification Test, then operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records Data List.
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