Benefits of removing NOx devices on the Scania R730 EEV
Engine and SCR emission control system on Scania R730 (DC16 21)
Scania's DC16 21 engine develops 730hp and 3500Nm of torque. It is equipped with an EMS S8 ECU which manages its operation and also controls the variable-geometry turbo fitted on this R730. The GRSO925R gearbox is used to handle the high torque. The exhaust after-treatment system used on Scania's EEV versions is based on the SCR model only. Finally, there is no particulate filter or EGR valve. In the event of an SCR fault, an engine alert is triggered by the NOx Control Reduction option, which reduces engine performance in the event of a problem with nitrogen oxide control.
Power optimization for troubleshooting. (Sometimes 90T set)
Chiptuning is a technique used to optimize engine performance by modifying engine management parameters (EMS) via reprogramming software. It enables parameters such as air and fuel injection quantities, boost pressure, valve opening times, etc. to be modified.
In our case, for the Scania R730 power optimization, we modified the injection parameters to increase power from 730hp to 800hp and torque from 3500Nm to nearly 4000Nm. In addition, this optimization improved the truck's performance for heavy-duty recovery applications.
NOx problem eliminated R730
To eliminate NOx-related faults via the EMS (Engine Management System) and EEC3 (Engine Emission Control), it is necessary to reprogram the engine management software. This reprogramming can be carried out using Scania reprogramming software and various mapping management tools. By accessing the EMS parameters directly via a diagnostic tool, we have access to all the settings just as the engineers in Sweden might do.
Note that when NOx control is removed via EMS and EEC3, fault reporting on the CANBus (Controller Area Network Bus) system is no longer possible. This means that any problems caused by the adblue system will no longer be reported via the on-board diagnostics system.
Why did you do away with NOx testing?
This truck, soon to be fitted with a free-exhaust system for enthusiasts' gatherings on enclosed, private land, could not be used without running in free-exhaust mode with the adblue activated. Consequently, failure to deactivate the adblue would result in warning lights and reduced engine performance. The adblue can be deactivated at the flick of a switch.
You can access our database on all Scania as well as reprogramming options.
