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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

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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