Quote:
Originally Posted by BlackbeastSS2
AFM fix for V8
First and for most, GM should offer the customer a choice from the factory or something else then hurting performance with valves in the exhaust system.
Once you start modding and adding performance parts you notice the shift from 8 to 4 cylinders a lot more. Then shifting in manual in a A8 just does not keep you happy anymore. I did my headers and exhaust, and got rid of NPP, values for both NPP and AFM. Did the cam and heads, DOD delete, lifter change for AFM and guides. Plugged the AFM holes as per instructions. Did it all.
Then with tuner we could not get rid of check engine light with exhaust codes because of the AFM delete. I talked to a few people on the forum regarding this issue. They assured me that I needed the plug in cables that are being sold here on the forum. I agreed, but kept thinking about the original AFM values.
So I looked at them and took off the 3 screws, the plastic part and electronics is all you need and best of all it's free!!!!! You don't need to spent $140 - $180 for AFM delete cables. So I went under car and hooked them back up, zip tied them up. Went for a cruise and pulled over. Cleared my codes with my reader, drove around for an hour and turned off car multiple times. No check engine light.
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Maybe someone could help me out. I got a custom catback exhaust. The installer removed the OEM exhaust from the cats back and ziptied the AFM wire and the black plastic part with the motorized wheel to the bottom of the car. All my research suggests that i shouldnt be throwing a CEL but its still throwing an AFM CEL. The little motorized wheel still spins when it needs to from testing. Is there another reason im throwing a CEL? Anything i can do to get rid of it? Dont want to tune cause its new and i dont want to void the warranty. Im lost so anything will help.