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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System & Fuel System - 6.6L (LLY) - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Feed Pipe and Return Pipe Purging

Fuel Feed Pipe and Return Pipe Purging

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    Fig 1: Vent Valve Screw
    GM1206090Courtesy of GENERAL MOTORS CORP.
  1. Pump the primer located on top of the fuel filter 30 times or until stiff.
  2. Attempt to start and run the engine. If the engine does not start, repeat step 1.
  3. Allow to run for 5 minutes at idle.
  4. Check for fuel leaks.
  5. Clear all engine diagnostic trouble codes (DTCs).
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