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Home › Pontiac › 2007 › G6 Base, 3.5 N › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel System - 3.5L - DTC P0340 To DTC P2544 › DTC P1400 › Circuit/System Verification

Circuit/System Verification

  1. Allow the engine to cool.
  2. Start and idle the engine for at least 2 minutes.
  3. DTC P1400 should run and pass.
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