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ECM-IMA Diesel Injector Replacement (IQA) Programming
Courtesy of GENERAL MOTORS CORP.
- Ignition OFF.
- Record all the IQA codes from the corresponding cylinder from each injector that is being replaced or from all injectors if the ECM was replaced.
- From the scan main menu, select service programming system, then follow the instructions on the screen.
- Enter the 7 digit IQA code (2) from the injector or injectors (1).