you can check the ficm your self to swamps diesel has a good tech artical on how to check your voltage. sounds like it could be the culprit on your vehicle shutting down.
i would look into a spearco or a bd intercooler, and i think your exhaust is plenty for what your horsepower is, i would look into maybe a diff turbo to get your exhaust out faster or maybe even a water meth kit
ive seen this kind of electrical issues before on the gassers mainly but water getting on the fuse block thats under the dash from water leaking in the front windsheild getting on it and causeing alot of electrical issues
just another thing to check
ive done about fifteen sets of head studs and gaskets and used the black onyx gaskets everytime and never had an issue with them. but i send the heads out evertime to get them decked and checked out, i think its the key to doing any six liter head gasket replacement. and what heavy assualt...
only other things that go wrong with these pickups is the oil cooler and the head gaskets. it would be good to run a aftermarket coolant filter, and maybe down the road get the oil cooler replaced, if it becomes plugged.
Yeah the h&s mini max or black max is a good tuner. Get a full exhuast minus the down pipe. its pretty good in stock form. just when you do it remember to install programmer and turn off the dpf before you remove the stock
exhuast.
sounds like your ebpv is coming on and than going off and than on and off. Mine does it tell it gets up to a good warm temp. sometimes it drives me nuts!
thats kind of funny i just fixed one it was killing number 5 injector too but it was rubbing on valve cover and grounding out. fixed it and new idm later and runs good
i get a 1668 code for short or ground in ef line damged idm no power or bad pcm. i just replaced the idm three weeks ago and it went out again. hate to replace again if there is something else taking out the idm. if i put a good idm on it it starts right up.
how can you tell if the head gaskets are leaking or its the egr. lots of steam coming out of exhuast. pressure builds in rad tank. runs good other wise just looks like steam engine. no miss or anything. only code i get is of course egr out of flow range. ive seen a few of these steam but...
Finally got my injector cups and injectors re installed. sent my injectors to rosewood, did a great job on them, thing runs alot smoother than it did. would of got them installed alot sonner but the mail thought they needed to send them around the us. still not sure what happened there. but...