FixVault

DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC P050E is displayed with other DTC, first perform the trouble diagnosis for other DTC.
DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P050E Cold start engine exhaust temperature too low The temperature of the catalyst inlet does not rise to the proper temperature when the engine is started with pre-warming up condition.
  • Lack of intake air volume
  • Fuel injection system
  • ECM