fracroy

Had a previous one and it was pins in the ecm thanks staxxto much thinking lately to many truck s not enough mechanics

Mack pro thank you for the information u you provide ed

Mack pro thank you for the information u you provide ed

Do u know the rocker arm asemmbly torque specs

I have replaced the relief valve on the front of the head new fuel pump new filter housing New seals on all bajo bolts the is a small hole by were the fuel pump mounts on the power steering pump and diesel and air bibles come out wat is the purpose of that weep hole

I have power to even small wires on solenoid

Have a mp8 keeps losing prime runs fine for a while at idle but once u start driving starts missing and dies I'm thinking injector cups or improper installation

mech before me replaced 1 injector plz help and thanks

2012 Mack pinnacle will not start not even crank checked start ign relays and fuse new starter and solenoid get power to solenoid help plz

I'm using guided diagnostics it says my barameteric psi and crankcase psi should have no more than a 2psi difference I have an 8 pound difference wat could this be

Pinnacle

Mp8 2012 mack chu613 replaced NOx sensors ran guided diagnostics dosing test ml measured were spot on

SCR derate keeps returning even after crystal sublimation and regen NOx sensor codes even after replacing and reagent dosing valve code using tech tool vcads pro guided diagnostics several 2012 mack in my fleet mack house backed up for months help please some one really familiar with program much appreciated!

I can use guided diagnostics and reset soot level all the soot levels in my fleet with this problem are only at 15-25 %

Vcads pro

Well i m using tech tool

30% throttle at 1900rpms new potentiometer installed same issue

SCR derate keeps reoccurring NOx monitoring faluire after treatment reagent dosing system special instructions? Help please!!

NOx monitoring failure data valid but above normal operational range? Replaced sensors learned data reset ACM reset keeps coming back please help

30% throttle at 1900 rpm ? Help please

After-treatment reagent dosing system special instructions?