Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Pontiac >> 2008 >> G8 GT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.0L - DTC P0336 To DTC P250A >> 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.