Both nox sensors should run around 1200 with labor and all this is usually the first thing i do now when i see this derate come up, i have not .
getting the SCR performance Low alarm on my dash followed by ‘Engine will derate to 8Kph’ . The power cuts in half. Have taken truck to two .
If this started after starting the truck, it could be from low air tanks. Cycle the key 3 times and see if it will clear if it is for that reason. Otherwise .
I got the dreaded Check Engine light and a message of SCR Performance Low, Engine in Derate, 5 MPH limit in 150 Min. I stopped and .
ClearTech SCR engines drop emissions, not performance. When incorporating SCR technology into the MP Engine Series, we were careful to configure the system without impacting normal daily operations. The compact design allows for easy integration without altering the cab or chassis.
When this occurs your engine power and/or your speed will be limited. … that this will only lead to more issues and/or more derates if you continue driving. … It will continue to regen until the to soot level has reached ‘low’ or ‘0%. … A service forced regeneration will ensure that the DPF / SCR System is clean .
Peterbilt / Kenworth Paccar 5 MPH Derate. … one is used to control the DPF system and keep the aftertreatment in sync with the engine ECU.