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Home › GMC › 2004 › Envoy 4WD › Repair and Diagnosis › Engine Performance › System › Engine Control System - 4.2L (Introduction) › Repair Instructions › Fuel Rail Assembly Replacement › Disassembly Procedure

Disassembly Procedure

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