Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 28 (ENGINE CONTROLS AND FUEL - 2.8L (LWN) DIESEL - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL INJECTOR FLOW RATE PROGRAMMINGWITH SCAN TOOL
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G
With Scan Tool
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION With Scan Tool
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- Perform the following action:
- {Q17 Fuel Injector - Replaced} Record the Injector Flow Identifier information from the new injectors.
- {K20 Engine Control Module - Replaced} Record the Injector Flow Identifier information from all injectors.
- Ignition - On/Vehicle - In Service Mode
- Select: Module Diagnostics
- Select: Engine Control Module
- Select: Configuration/Reset Functions
- Select: Injector Flow Rate Programming
- Select: Cylinder 1-4 Injector Flow Identifier
- Enter the recorded injector flow identifier for each injector.
Verify the scan tool procedure was successful.
- If the procedure was not successful
Repeat step 1
- Go to next step: If the procedure was successful
- If the procedure was not successful
- All OK.
NOTE:
This procedure is only for control modules that cannot communicate and injector replacement.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.