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Initial install, should be pretty obvious why the universal lines weren't a good match here: For the record, the forward one rubbed against the cab mud flap and pushed it out. The aft one had ~1/8" clearance between the coolant hard lines and the cab body seam, maybe 3/8" after I hammered on...

Following up on this work: Motor is back together and running wonderfully. Desired and actual are running within ~10psi across all ranges. IFS filter is installed between HEUI pump and cylinder head. This went well with the filter being mounted where the driver side kneeling cylinder was...

Just realized I posted this to my camper thread and not this forum/thread: Began a thorough investigation yesterday which effectively ended up with open heart exploratory surgery. I started the day with checking the harness/connectors to the IAPCV (Injection Actuation Pressure Control Valve-...

Can confirm. Nothing to really see from a plumbing perspective with the valve cover removed. I was checking connectors and wiring when I was in there.

I can try to answer that question later in the week. Will take a poke through that video, in the meantime, starting to make a parts list.

1 - Are you asking bad low pressure (block) pump or bad HEUI pump? I can confirm that my block oil pump was consistently giving me good pressure at the dash gauge- 60's at start up, high 30's or low 40's underway when warm. I assume you're talking about the HEUI pump though, so yeah, definite...

This doesn't want to go down without a fight. I started the rig again yesterday morning and it sounded and ran like someone dumped a box of rocks in the crankcase- like it did with the "bad" IAPCV. I didn't have time to monkey with it so I put it on the list of things to do today. I started...

Funny you mention this... They are the identical parts. Found this out from the CAT guy I chatted with in UT. Same unit as in the DT466 Navistar motor.

Well, it's one of those times where the troubleshooting process makes sense- the pressure wasn't being properly controlled, so I replaced the valve which controls it and BINGO- all back in spec!!!! https://www.youtube.com/shorts/LPZ2xAc4Kpk This is the CAT ET diagnostic test for the injection...

Anyone have any experience with this? I have a 2000 M1088A1. The CEL light came on the other day and with CAT ET hooked up, it showed code 164-11 and/or 164-2. Looking them up reveals a somewhat generic trigger of mismatch between desired and actual injection activation pressure on the HEUI...