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Home >> GMC >> 2009 >> Envoy 4.2 S, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.2L - Introduction >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Disassembly Procedure
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Disassembly Procedure

    Fig 1: Identifying Fuel Injector Wire Harness & Fuel Rail
    GM1482972Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel injector wire harness (2) from the fuel rail (1).
  2. Remove the fuel injectors (4) from the fuel rail (4). Refer to Fuel Injector Replacement .
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