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Home >> GMC >> 2004 >> Envoy RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L (Introduction) >> Repair Instructions >> Fuel Rail Assembly Replacement >> Assembly Procedure
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Assembly Procedure

  1. Install the fuel injector harness to the fuel rail.
  2. Install the fuel pressure regulator. Refer to Fuel Pressure Regulator Replacement .
  3. Install the fuel injectors. Refer to Fuel Injector Replacement .
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