Applied heavy dose of anti-slip to serpentine belt,next day these two lites came on,any sensors I may have polluted?2006 ranger 3.0 engine

Welcome to AF!

I don't see any correlation between the DTC codes and doping up the serpentine belt. What kinds of problems were you having to doctor up the belt? If you can list the codes for me I would be glad to investigate them for you. ~Dave~