Sorry about the questions guys! Looking for info to help me, so i don't mess things up. Okay i am entering rinse cycle of auto rx today, and have decided on pureolator pure one filter. Was gunna use a fram x2 extend guard. How do i know, when the fitler has laoded up with carbon, ect during the 2,000 miles? My car dosnt have an oil pressure guage.Just wanna know what signs or whatever too look for. I will msot likely do 2,000 miles, from now, up until about mid december.