1. Using the Vehicle Settings Menu:
- Access the vehicle's infotainment system.
- Navigate to the "Vehicle" or "Settings" menu.
- Look for the option related to AFM, Cylinder Deactivation, or Engine Performance.
- Disable the AFM feature by selecting "Off" or "Disabled."
2. Using a Tuner or Performance Module:
- Install a performance tuner or module specifically designed for your Chevy truck.
- Connect the tuner to the vehicle's diagnostic port (OBD-II).
- Access the tuning options and locate the AFM settings.
- Disable the AFM feature within the tuner's interface.
3. Reprogramming the Engine Control Unit (ECU):
- This method requires specialized tools and knowledge.
- Connect a diagnostic tool to the vehicle's ECU.
- Access the ECU programming parameters.
- Locate the AFM-related settings and disable the feature.
It's important to note that disabling AFM may affect the vehicle's fuel efficiency and performance. Additionally, some vehicles may not allow the user to disable AFM through the vehicle settings or without specialized tools. If you're unsure about how to disable AFM in your specific Chevy truck, it's best to consult with a qualified mechanic or refer to the vehicle's owner's manual for further instructions.
