Quote:
Originally Posted by Tazz3069
David or Lisa or Forum member. Please help me understand AFM. I want to order a system and not sure which kit to order. If this is deleted, will I get a CEL? What is the main purpose of the AFM? Why two sets of Cats? I need help understanding so I can purchase the right system for my car.
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AFM is when your car goes from all 8 cylinders to 4 for better fuel economy, and the AFM valves are closed to cover up that Honda sound that your car would make if the AFM valves stay open while only running on 4 cylinders. If your car is an Automatic, then you have AFM valves.
idk if deleting the AFM valves will cause a CEL, but the whole AFM thing can be tuned out, at the expense of warranty voiding, or temporarily disabled with a range device (if I remember correctly).