I am gonna look at the TPS this weekend with a digital voltmeter. I ve seen the process on gnttype but as always its for and 86-87 GN so instead of it being passenger side its on hte back side. but i cant tell exactly where its at or what to hook up to. kinda cramped backe there. Any help is greatly appreciated. also the fuel filter change. How to safley bleed pressure from fuel line so i dont make hurt or messy. thanks guys.