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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 281 (Engine Controls And Fuel - 3.0L (LGY) - Repair Instructions) >> Repair Instructions >> Fuel Injector Replacement >> Inspection Procedure

Inspection Procedure

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  1. GM2202046Courtesy of GENERAL MOTORS COMPANY

    Inspect the fuel injectors for the following conditions:

    • Damage to the fuel injector connector (1)
    • Damage to the fuel inlet cone (2)
    • Damage to the fuel injector body (3)
    • Damage to the fuel injector tip (4)
  2. Replace the fuel rail or injector if any damage is found. Do not attempt to repair a fuel rail or injector.