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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - 6.6L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Feed and Fuel Return Pipe Purge Procedure

Fuel Feed and Fuel Return Pipe Purge Procedure

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  1. Pump the primer located on top of the fuel filter 30 times or until stiff.
    Fig 1: Operating Priming Pump
    GM1198930Courtesy of GENERAL MOTORS CORP.
  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).