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Home >> Kia >> 2013 >> Optima SX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) - 2.0L >> DTC P050A: Cold Start Idle Air Control System Performance >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring deviation between target idle speed and actual engine speed during catalyst heating
  1. Checking leakage of air intake
  2. Checking operation of ETC
Enable Conditions
  • Coolant temperature is higher than -14°F
  • Catalyst heating operating condition (during 20 sec immediately after cold start in 77°F range)
Threshold Value
  • Current RPM is lower than target RPM as much as 270 RPM (Engine speed too low)
  • Current RPM is higher than target RPM as much as 270 RPM (Engine speed too high)
Diagnostic Time
  • 20 sec.
Mil On Condition
  • Two trips
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