how do i know which variable valve to change in my 2001 toyota avalon
I got my car scanned from a friend and it read that it needed a vvt valve changed but i go to a mechanic and he says their is two valvs and it will cost me less if i knew which one is the one he has to change the hole job will cost me $160.00 is this a good price or shuld i keep shoping around price includes parts and labor and search fo the faulty valve.