
Originally Posted by
SCIV
Sounds exactly like what my 408 did. Greg narrowed it down to the grounds.
Turned out one on the back of the block was loose. Fixed it.
Have you checked EVERY ONE? There are tons of them.
No i havent checked the grounds,Im even pretty sure theyre r some that arent connected.I actually have 1 that goes from battery to somewere below the power steering pump ,if it gets disconnected or loose itll kill the truck and wont let it run at all.i havent though of this ,but ii wouldnt have though it for a second to cause a intermittent issue.Its funny it even does it in the morning at cold start.what was yours doing s/c ?how can i get a list of all the grounds on my truck?anyone know?I probly should check this out any way ,ya know?still open for new suggestions tho guys,ill do a checklist and just go through it.and all suggestion.thanks again.
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 .