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Home >> Chevrolet >> 2009 >> Chevy Express G2500, Van Cargo Extended, 6.6 6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L LMM - DTC P0016 To DTC P02E0 >> DTC P0116 >> Circuit/System Verification

Circuit/System Verification

  1. Inspect the cooling system surge tank for the proper engine coolant level. Refer to Cooling System Leak Testing and Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac N Fill) .
    2. IMPORTANT: Determine the ambient temperature by using an accurate thermometer.
  2. If the ignition has been OFF for 10 hours or greater, the ECT and the IAT sensor 2 should be within 15°C (27°F) of each other.
  3. 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.
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