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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo Extended, 6.6 2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L (LLY) - DTC P0401 To DTC P2510 >> DTC P064C >> Circuit/System Verification

Circuit/System Verification

  1. If you cannot duplicate the conditions, refer to Testing for Intermittent Conditions and Poor Connections .
  2. Engine running, observe the DTC information with a scan tool. DTC P064C should not set.
  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 Records data.
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