Sounds to me like a fuel issue. I’d put a clear line on at the head to make sure you’re not getting air into the system. Like Inderjit said 56 PSI...
I wouldn’t risk it, nothing like losing your accel pedal when your cruising down the highway.
Post all codes you have along with engine
I would start with the input shaft speed sensor and a harness.
Have a short in the marker light circuit, could be a bulb or wire.
If none of the other suggestions work, remove your passenger seat and watch the doors when you change settings, those are bad for door binding or...
Definitely possible, these engines produce a lot of soot which likes to gum things up
Don’t cut the wire, find the issue, either wired incorrectly or corrosion somewhere
There’s no Internationals with paccar engines, but sounds like you need a spray bottle with some soap and water and start spraying every fitting...
Hope you didn’t get charged 8 hours to change. More like 2 including a road test.
I’ve seen a few of these rust up badly between the master cylinder and hydro boost, causing the brakes to stick slightly.
They should come programmed to that model # of transmission if ordered properly.
Must have been on its 6th engine.
Assuming it’s a 13L that code is for DPFDP excessively LOW. Could either be a leaking dpf, bad diff pressure sensor or damaged or kink pressure...
How bad are they leaking? You’re allowed some leakage from the fey rings h til the manifold warms up, there’s also cuff seals that can be...
Are you sure the terminals are good at the fuse? They like to spread apart.
Assuming it’s a 13L parts always has a hard time finding it. There is a part # stamped on it that works though.
I really hope you didn’t replace all those things just for that code….
Haven’t seen to many issues with these units besides the typical DEF issues that everyone has. Just make sure every Cummins recall has been done...
If you do an AMT test, the boost will build to between 4-6 psi, the EGR valve should open and your boost should spike quickly about 1.5psi then...
