A COD/AFM delete disables cylinder deactivation (Active Fuel Management), keeping all cylinders active. Requested to avoid COD-related vibration, carbon build-up or lifter issues on some engines.
For workshops
With MasterTuning you request the file, we produce it custom to the vehicle, and you flash it back — no in-house tuning required. You keep the customer and the margin.
FAQ
What is Cylinder-on-Demand?
A system that deactivates some cylinders at light load to save fuel.
Why disable COD/AFM?
To avoid vibration, carbon build-up and lifter problems on affected engines.
Offer this to your customers: find the vehicle or contact MasterTuning for a custom file.
