Thanks for doing all that work, Hartwig.

I'm not going to say things are settled because we are looking at a static situation on level ground. There is a lot of movement in a container of fluid in a moving truck, and we drive up and down grades all the time. And we have dynamic flow in the pan. Oil has a higher viscosity than diesel, but it will still move.

14:42 into my video, driving down a flat road, as you can see in the reflection.

 

100% agreement Jack.
However, in terms of fill level and oil leaks, I think fill level plays little or no importance.
.....when I imagine how in the engine the oil splashes through the 8 piston cooling jets....

 

Static leak, I would agree.

With the cooling jets, yeah we've got oil going everywhere.

 

That test comes from a Ford manual.

 

Reloaded the stock tune. After the engine has cooled down for 15 min. Did about two hours highway driving before this. Seems related to the ambient temp. It’s fairly cool here back home in New Mexico. It’s idling smooth.

also had a code during the trip when it was acting up.

 

yeah that’s with my blessed performance ecobeast tune. They jack up the pressure for some reason.Maybe better atomization? Response? basically higher pressure but lower pulse width to achieve the same commanded fuel quantity. Pegs out 3700 psi and 1.59 pulse width.

on stock tune I’m 640 psi, 640 rpm, and 21-23% IPR. The commanded psi and the actual psi of the ICP will be within 3-7 Psi when it’s not acting up.

when it does act up after a long drive (heat soaked) it will start to drift where the commanded ICP and the actual ICP being reported can be 10,20,30,40 psi off. I think that it’s messing with the PCM. The FICM gets a fuel quantity request from the PCM called mass fuel Desired. The ficm has tables to calculate this mass fuel desired that account for fuel temp, oil temp, coolant temp, air temp, rpm, ICP. It then picks a pulse width that will deliver the quantity of fuel the pcm believes it needs. I think that causes the engine to have the unstable idle because it’s chasing it’s tail and hunting then over or under compensating. Sometimes turning the key off and immediately restarting it will just go away. My theory is the heat soaked ICP sensor is throwing out some bad data and the PCM is trying to compensate.

in theory I could unplug the ICP when it’s acting up and the PCM goes to a default table where it basically just guesses what the pressure should be roughly at a given RPM and IPR position. Reaching my hand back by the turbo it’s heat soaked sounds horrible through.

maybe I should try a late model ICP sensor. This sensor is an OEM sensor that was replaced shortly before my over haul. I thought it would solve this problem but it didn’t. I even had a little heat shield around it.

I also wonder if the IPR once heat soaked could be “sticking”. I’ve seen it do some weird dance when it’s acting up at idle. Hmmmmm

 

Does anyone have guidance on troubleshooting the P2284 code? I’m imaging at some point the PCM compared the desired PSI and the actual PSi and there was a discrepancy. Probably when the truck was acting up over my last road trip.

IPR sticking when hot?
ICP giving bogus data?

 

New front main seal going in to stop the leak. BIG THANKS to toomanytoys for letting me borrow his seal Installation tool. What’s interesting is this ‘felpro’ seal says National on it.

 

Both National and Fel-Pro (and my old division) were part of the Federal-Mogul group, now Tenneco. I was not sure that Fel-Pro privately labeled National's product. National was the factory supplier to International.

Glad it helped!

 

500 miles after the new front crank seal install

Nice and dry. Let’s see how this seal does. Fingers crossed.

 

6.0 humming along pretty good since the overhaul. Could use a good cleaning along with a new fan shroud

 

Pulling about 6,000lbs up a steep climb. EGTs are very happy when you keep the RPMs and boost up. Had a pretty nice ECT/EOT split of 6-10 degrees the entire 500 mile trip.

 

Did you drove in T/H?

 

yeah in the hills and steep grades I did. I clicked it out on the flat sections where it was easy cruising.

 

the ICP dance is still happening after long drives. Im starting to think the IPR is getting hot and sticking. I posted a video from when I pulled into my driveway after 450 mile trip. Turning truck off and on seemed to clear out the stumble. The rpm
becomes stable and the ICP is stable. When it’s doing it’s weird thing the RPM fluctuates and the ICP becomes unstable like it’s chasing it’s tail.https://youtu.be/Jzlpl7hcTAg

https://youtu.be/Jzlpl7hcTAg