Volvo and Mack have added a DEF-quality sensor to the tank to alert the driver to a potential contamination problem. “That came with the on-board diagnostics updates in 2016,” Moore says. “Previously the system would not detect bad DEF. Instead, it would guess at the source of the pr...
6 - Engine Out NOx Sensor 7 - EGR Valve 8 - Temperature Sensors (4) 9 - DPF Sensor Table 10 - UL2 Dosing Module 11 - Compact Mixer Sensor Table 12 - UL2 Supply Module 13 - NOx Sensor 14 - PM Sensor 15 - DEF Tank 16 - SCR Catalyst ...
Figure 11. Typical 2007 North American heavy-duty diesel aftertreatment system (Cummins) TBAP - temperature barometric air pressure sensorThe DOC/catalyzed DPF combination not only maximizes passive regeneration of the DPF but by incorporating a fuel injector in the exhaust system upstream of the ...
The control module can receive data indicative of engine performance and exhaust gas composition including, but not limited to engine position sensor data, engine speed sensor data, vehicle speed data, exhaust mass flow sensor data, fuel rate data, pressure sensor data and temperature sensor data ...