hi all let me start by saying my van has sat for many years maybe as many as 10 or so. ive been driving it everyday for 2 months and its comming along nicely now it just needs paint. after doing a gasmilage test my van is getting around 13 or so mpg. the exhaust doesnt have a terrible smell and it seems to have good power. i,m going to the parts store this morning for plugs and air filter but, if that doesnt do it i was wondering what to look for after that? what ever it is it must be corrected to get it over 17 mpg. i do town driving cuz it,s my work van and my customers are all close to me. i know this is a general question so i,m kinda looking for general ideas. thanx for any input.