Paccar code spn 3821. 2015 KW T680 MX 13 EPA 13, last 8 FJ449173.

Paccar code spn 3821. 2015 KW T680 MX 13 EPA 13, last 8 FJ449173.

Paccar code spn 3821. Recently I also had temporary codes of 5109, and 3821 (can't recall FMIs) but they're no longer active. Jul 17, 2020 · Hi all, any help on this would be appreciated; even speculation is welcome. The first code refers to the inlet NOx heater, which is internal to the sensor, while the other code indicates an abnormal rate of change for the sensor itself. I currently have fault codes SPN 4364 FMI 18 (catalyst under efficiency), and SPN 5112 FMI 9 (turbo code?!). I replaced dpf fuel injector 1 and still have those codes. You can find complete definitions and troubleshooting information by looking these up in Diesel Repair. Codes popped up again, 2 days after, when I was hauling full load, so I had to reset them. Apr 23, 2025 · Here is a list of fault codes you may encounter on a PACCAR MX-13 engine from 2017 to 2020. Follow our simple guide to resolve the issue and get your equipment running smoothly again. Nov 17, 2014 · Paccar MX 13 Fault Codes Discussion in ' Peterbilt Forum ' started by packerfan603, Nov 17, 2014. 10 Odometer Reading: --License Plate: 19KN37. Persistent SPN codes like 2791, 1787, 3821, 3482, and 5246 on a Paccar MX-13 indicate issues with sensors or fuel shutoff valves. Discover what SPN 3821 FMI 11 means, its causes, and how to fix it. Device information Scanner: MaxiSys MS909CV Version: V1. Customer: I have the following codes: SPN 1787 FMI 11, SPN 3821 FMI 11, SPN 2791 FMI 11, SPN 412 FMI 0, and SPN 3251 FMI 15 on a 2019 vehicle. Feb 16, 2015 · Why is it releasing white smoke and pressure through the diesel return pipe? Oct 10, 2022 · 2016 Paccar MX 13 - Can’t clear code after EGR Replacement Discussion in ' Peterbilt Forum ' started by cobra390hp1, Oct 10, 2022. 2014 Kenworth Paccar Engine Codes SPN 2791, 3821, 3252 Diagnosis Paccar engines often face sensor faults and communication errors causing engine derate or shutdown. 2015 KW T680 MX 13 EPA 13, last 8 FJ449173. Apr 17, 2025 · Get repair info, wiring diagrams, and troubleshooting support for 2013–2016 PACCAR MX-13 engines—powered by Diesel Repair. Jul 23, 2018 · Stealership could not find any problem, probably because codes weren't there at the time. Both codes relate to the inlet NOx sensor. Despite replacing the fuel shutoff valve (P3831) and running regen, recurring codes suggest possible wiring faults, faulty sensors, or ECM calibration errors. I got codes spn 2791 fmi 11, spn 3821 fmi11, spn 3556 fmi5. qqkmxkxn pwzgzzh lyaxudm tmiif jijbhx tfohrur apqf hdropl opd xhc