I have a 2002 Audi A4 3.0 quattro. I bought a mod chip that connect to the wires of the IAT Sensor. I have two questions. One, where is the IAT Sensor located?? and Two, if i splice into the harness, will this cause any issues other issues. Any advice would be greatly appreciated

 

almost made it.. go down a little further to the A4 section.. and put IAT sensor in the thread title.. not mod advice.. most people wont look if you put that.. and just tell you to search..

 

Will do! Thanks for the help.