fuel pressure problems.
weeell,i just had allen send a new tune and make it richer ,even compensate richness for pullying down too 10psi of boost .im still going all the way lean at wot .i thought it was th l/t install because before that it was alittle rich .idk,but allen and i talked tonight and he said if the tune didnt richen me up ,im probably losing fuel pressure ,im looking for suggestion on were too star looking .i do have an aeromotive fuel system that i tapped into factory fuel lines ,with a return back too the top original feed line .is there somewher in the factory lines ,inj etc that i should be looking ?i know of course too check my a/n fittings were i did adapt in,and were i installed a fitting in back corner of gas tank.when i turn my key on i get 58psi of pressure then immediately drops to o truck starts finethen i regain pressure at idle .it should be holding.but this is the kicker i drive it all day long with no issues.but im going real lean at wot .howabout some sugg,were too look any place you can think of ill bechecking ,thanks
mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .
Reply With Quote
