Need find someone who has servicemaxx or NED software to hook up to your truck. Will have a better idea of exactly what’s going on. I.e run test,...
Usually send samples out to Quinn CAT in Selma ca. Would recommend sending sample of all fluids dont hurt to know.
Very familiar with common issues like these. Any help with Cummins/paccar after treatment issues contact me.
Possible bad def/contamination or def ql sensor going bad should have related f/cs logged.
Already mentioned but correct will need to change parameter settings using SR. Still good to verify all mechanical components/service intervals...
Can’t remeber what exact location fuse is but the pdm is on then d/s fuses on firewall under hood. And behind panel by clutch pedal.
If you verified power and ground and no damage/loose pins at harness connector . Verified wiper fluid motor is good. Verified fuses all good. Also...
Regular aft maintenance, oem only filters stay on top of maintenance and it’ll save you money on the big end.
Have you load tested batteries ?
Make sure your using oem only filters. Keep your egr/aft system clean. Make sure engine,can softwares up to date. You heard of an mx special ?
