Does the truck loose oil pressure? Verified this by a mechanical gauge. Your description of the issue is really vague. Have you drove the truck when it sorta goes into limp mode
Get a hold of a good scan tool & max out rail pressure at idle. Or unplug fuel pressure regulator, think that would max it out as well but would be a pain to get to
Well, the trans needs to be up to temp with the engine running in park to check the fluid level... Just like every other auto trans. Checking trans level with the engine off is like checking engine oil with the engine running
What fuel pump are you talking about? Factory injection pump or aftermarket lift pump? Search, ice pick injector harness. Might take care of your issues. Also check the wiring harness by the alternator bracket for damage
Saved that pic from an Onan class I was at. They wouldn't hand out the pics of them painted green for whatever reason, but saw a few on the instructors computer hooked to a generator. They're massive. Can't remember the specs (something like 90 liters & the gen is rated in mega watts) but he...