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DTC Detection Logic

NOTE: If DTC P050A or P050E is displayed with other DTC, first perform the trouble diagnosis for other DTC.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P050A

COLD START CONTROL

(Cold start idle air control system performance)

ECM does not control engine idle speed properly when engine is started with pre-warming up condition.
  • Lack of intake air volume
  • Fuel injection system
  • ECM

P050E

COLD START CONTROL

(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.
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