I have codes spn 3225 Fmi 4 spn3224 4 spn216 3 spn 66 2 spn 94 1 spn94 18 spn4340 5constant) spn65304 11(constant) if I get the codes deleted The light on DEF gauge and stop engine light is gone and I can drive for a long time until it reappears, but the codes I just listed stay. A few mechanics have not been able to tell me what do, I can do repairs myself just need to know what to do which sensors to change Or which connections to check, 2011 Peterbilt 386 with Paccar mx13 1.2 million km
My DEF gauge is blinking and stop engine light
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by rudythiessen, Oct 18, 2019.