isx 871 no start

[Rawze]

First of all, If that engine has been butchered as badly as you say .. with an after-garbage, non-VGT turbo and trash-can delete tuning.. then what do you expect?. - Progressive damage is what you get when some idiots do back-woods, redneck, hack job, mods and tuning. the engine is likely not worth 3 cents in that condition.

(Someone saw you coming, and took you for what you were worth) ...
If you had done even a little bit of research, then you would have likely realized that you should have never bought into that trash-can crap of a disaster, hacked, and abused into oblivion engine/truck to begin with. That, or at least invested in getting it back right on purchase.

So ... first thing is to start sourcing the parts to PUT BACK THAT OEM VG TURBO, manifold, etc!!! ... and GET THAT TRASH CAN DELETE PROGRAMMING OUT OF THAT ECM and replace it with something safe and reliable. At least then, the engine will stop eating its own guts out... if it is not already too late.

Copy the program from the ecm and e-mail it to me for a review of what was done in there, and then from that point, steps can be made towards straightening out the redneck garbage... engine running or not,.. that has to be fixed... and should have been when you got it, and not a year+ later after excessive wear and possible internal damage has been set in.
info: https://rawze.com/forums/showthread.php?...5#pid72945

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garbage-can mods and s$itty delete, engine killing programming aside ...

As far as the no-start...

#1. ... While cranking.. after several seconds,.. is the oil pressure gauge in the dash showing a few psi above zero?.

#2. ... With the Insite software connected,... what is the fuel pressure roughly showing while cranking?

#3. ... is it cranking over fast, like new batteries,.. or is it a bit sluggish?.

#4. With the headlights on,.. do they dim out real bad while cranking, or only go slightly dim?.

#5. Has anyone bothered to remove the guts from the fuel shutoff solenoid, and re-install its housing, so that it cannot block fuel??.

-- I.E.> Start with the obvious first.