Wheres the cam sensor located in engine

Hello, first, what is the purpose of locating this sensor? A code in the processor indicating loss of camshaft position sensor signal does not mean it needs to be replaced! It means you need to have troubleshooting performed. You did not indicate which engine -- So, guessing, at 3.7L V6 -- there are 4 camshaft position sensors... So, please provide more info as to what you are looking for and why.