DODGE RAM TIMING

I Just Bought This 1996 Dodge Ram And The Gas Hand Will Show Full Some Times And Empty Sometime. What Could The Problem Be Any Ideas Would...

My Canadian Truck Listed Above 1500 With 545rfe Transmission, 2wd Won't Go In Third Gear (go Neutral). All This Happened All Of A...

Trying To Set Timing, I'm Not Sure If I'm Doing It Right, When I Line Up The Marks The Truck Will Turn Over But Will Not Start....