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Home >> Kia >> 2017 >> Optima LX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (2 Of 3) (Except HEV) >> DTC P050A-00: Cold Start Idle Air Control System Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring the actual Idle speed deviation from the target engine speed
  1. Poor Connector Connection
  2. Restricted Intake or Exhaust System
  3. Vacuum Leaks
  4. Faulty Throttle Body
Enable Conditions
  • Catalyst heating - Engine speed increase active
  • Engine coolant temp. at start higher than 14°F (10°C) and lower than 91.4°F (33°C)
  • 5s. after engine start
  • Vehicle speed lower than 1.9mph (3kph)
  • Pedal value lower than 0.01% (pedal sensor1 voltage 0.859V, not pushed at all)
Threshold Value
  • Deviation of target RPM and current RPM higher than 270 RPM and idle torque controller during 5s. higher than or equal to 23N.m
  • Deviation of current RPM and target RPM higher than 200 RPM and idle torque controller during 5s. less than or equal to 20N.m
Diagnostic Time
  • 20s.
MIL ON Condition
  • 2 Driving cycles