222 Mack,https://www.truck-manuals.net/mack/ US10 Emissions Solution Exit conditions for DEF Quality "5 mph road speed limit" Inducement: First Restart: Return to 25% torque reduction until proper DEF quality evaluation. If poor DEF quality is detected during the next monitoring cycle then and 5 mph resumed after vehicle stationary for 20 minutes. After the second restart a Service Tool is required to exit the 8 km/h (5 mph) RSL.
Misfilling Diesel or Aftertreatment DEF Tanks Although diesel fuel and Aftertreatment DEF caps are clearly labeled and filler necks and nozzles are different accidents can happen.
Results of misfilling Diesel in Aftertreatment DEF Tank
Contamination of fluids by- misfilling of diesel or DEF in the wrong tank may result in vehicle malfunction.
• SCR Catalyst may be damaged by
Results of misfilling DEF in Diesel Tank
• Emissions may be non-compliant • On Board Diagnostic (OBD)
• Engine may run poorly or not at all • Injectors may be damaged • Exhaust system corrosion may occur between turbocharger and Aftertreatment DPF
• On Board Diagnostic (OBD) Diagnostic Trouble Codes (DTC)
• Costly repairs
• Aftertreatment SCR system may be damaged by Diesel diesel (chemical damage)
Diagnostic Trouble Codes (DTC)
• Costly repairs Note: DEF tank has a magnetic interlock and fuel station DEF fluid dispensing nozzle with a magnetic valve, have to meet to prevent from dispensing into anything other than the DEF tanks.
