Check power to ECM as well should have constant and keyed power both around 12v.
Sounds like possibly bad ignition switch or simple short to power somewhere I wouldn’t think that should affect starting. If you had no power it...
Put the truck on blocks get someone to get the truck up to the speed it vibrates at and look around. Just pick rocks out of tires first.
Disconnect wire to shutoff solenoid and turn key to run and touch wire to terminal, should see it spark and hear a click
Blow air backwards through ECM there should be screen in there.
Just do cylinder 1 for now and see if it fixes the problem if It picks up rpm when you plug in cylinder 3 injector sounds like that holes working...
What suspension system do you have? Did you have spacer plates between hanger bearing and mount?
Could be ride height too maybe axle torque arm
Could be programmed to not rev over 1500 in neutral usually gravel haulers set them up like that. Smoke generally indicates injector because if no...
You’ll have to remove rockers, I’m betting that your cam is ok pretty slim chance all lobes wore identically. Just check for bent valves bent...
I was typing my response when you posted yours so I didn’t realize all the necessary information was already made available lol
Check for bent pushrods as well. You should really try to find marks on accessory drive, will help minimize any uncertainty. I’ve been surprised a...
Or watch for when injector rocker starts moving this you can set valves at this point but not injector
You gotta emery cloth the accessory drive they’ll be there there stamped they might be hard to see but should be able to find them
See if you can diagnose with a laser/infrared thermometer for now if it’s a consistent miss one cylinder will be cooler where manifold goes into head
Just disconnect wires from outside of rocket boxes that go to injectors listen for change in the motors sound pretty good indication of which...
Idle oil pressure seems low at 20psi keep an eye on it if drops might need rod and main bearings
H
Oils cheap unless you wanna spend Money I wouldn’t bother with inframe until there’s a real issue like antifreeze in oil or vice versa
I had 4 broken exhaust studs on my 3406b I welded nuts onto them and still was unable to remove 2 of them, I heated the remaining 2 with the nuts...
