How to fix an SCR System fault
It is possible that your car’s SCRS system is not working properly. There are many steps that you can take in order to correct the issue. First, identify the root cause. Then, Highly recommended Web-site you can either replace the QLS sensor or the Aftertreatment Control Module. If you have any kind of queries regarding where by in addition to tips on how to work with engine will derate in 60 minutes, you can e-mail us in the webpage.
Replacing the QLS sensor in the SCR system
The SCR system will display an engine warning light when a sensor fails. Once the engine stops running for at least an hour, the SCR will enter a 25% de-rate. The vehicle will continue to de-rate until it is at 5 mph. The fault can be fixed by a technician who will need replace the QLS sensors with a working version.
The EPA approved the emergency calibration release of the QLS sensor. The emergency calibration release for the QLS sensor will only be applicable to certain faults. You can get an emergency calibration release at any Cummins Authorized Services Location. This should be used only for vehicles with the listed faults. You could be charged with tampering the emissions-measuring component.
Replacing the Aftertreatment Control Module in the SCR system
It is easy to replace the Aftertreatment Control module in your SCR system. This will make your exhaust stream cleaner. The system uses a chemical remover known as DEF or Diesel Exhaust Fuel to convert harmful nitrogen dioxides into harmless nitrogen gas. To maintain maximum performance, the SCR system includes a control system which monitors changes in engine temperature, pressure, and exhaust gas flow.
The Aftertreatment Management Module (ACM), controls the efficiency of SCR systems. It regulates the amount and cleaning frequency of the DPF. In some cases, the ACM module has an input function that allows you to decide if the DPF should be washed to meet emission standards. Other embodiments of the ACM module include fewer features and functionality. You probably have any sort of concerns concerning where and the best ways to use scr system fault peterbilt, you can contact us at our own internet site.