gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Fuel Injector Diagnosis (w/J 39021 or Tech 2)|Page 9491 > < Fuel Injector Diagnosis (w/J 39021 or Tech 2)|Page 9489

Envoy 4WD V8-5.3L (2007)

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Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.  See: Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests and Procedures

*  Fuel Injector Replacement
*  Fuel Injector Cleaning

Fuel Injector Diagnosis (w/J 39021 or Tech 2)|Page 9491 > < Fuel Injector Diagnosis (w/J 39021 or Tech 2)|Page 9489