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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 P0016 To DTC P0341 >> DTC P0230 >> Circuit/System Verification

Circuit/System Verification

  1. Install the CH-48027  to the fuel system service port on the right from side of the engine. See Special Tools . Command the fuel pump on, using a scan tool and observe the fuel pressure gage. Fuel pressure should be a minimum of 69 kPa (10 psi) with the fuel pump running.
  2. Engine running, observe the DTC information with a scan tool. DTC P0230 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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