LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2021 >> Express 2500 LS, 2.8L Eng VIN 1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.8L (LWN) Diesel - Repair Instructions >> Repair Instructions >> Fuel Injector Flow Rate Programming >> Diagnostic Aids
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Aids

Injector Flow Identifier - Location

GM4889358Courtesy of GENERAL MOTORS COMPANY
Option 1 
Injector Flow Identifier (1) - Record the Injector Flow Identifier information from all injectors.

Option 2

  1. QR Code (2) - Scan with smartphone or suitable device
  2. Injector Flow Identifier = Digit 42-65, 68, 69
NOTE:

Bold text = Digit 42-65, 68, 69


*For example: QR Code = DXD 316274609551267899200001741609929234F7 FD18FCFBFFF3FD02F8FFFE05001A  - Select: Injector Flow Identifier Digit 42-65, 68, 69 = FD18FCFBFFF3FD02F8FFFE051A 
scientia non olet · About LEMON Manuals