Above codes coming and going off, but Yesterday i had new code came up spn 3720, fmi 15. Took the truck to my mechanic, said dpf filter full....
Thanks for the suggestion! Will take it to bigger dealer
Hi, I did valve adjustment first and after a month Freightliner did the cylinder compression check.
I dont have but look for one to diagnose.
Hi, Its 2016. Yes, took many times. Initially they said 1 of ur cylinder has 47% low pressure n that is causing issue in 1 box. I went to another...
I don't idle much also... I used to hear the fan while self regen
Good point, thanks! Forgot to mention, i dont have self regen while driving for weeks... is it normal?
Hi mhyn, reading this thread n ur answers, u also seem to have more knowledge, please give some suggestions to fix beside putting new 1box....
I have this issue for 1.5 years now, its dd15 wz 700k miles on it. Is this the only option to change the 1box, or still can try to fix it by...
Hi, can someone help me? I have these 4 codes everytime i go long uphill wz more than 40k lbs; 1. SPN 4364 FMI 18 2. SPN 3364 FMI 2 3. SPN 5246...