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Home › Hyundai › 2014 › Accent SE, Automatic Trans › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (2 Of 2) › DTC P0506: Idle Air Control System-RPM Lower than Expected › DTC Information › DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor idle speed
  1. Intake system for blockage
Enable Conditions
  • Vehicle speed = 0
  • Coolant temperature is higher than 158°F
  • Intake air temperature is higher than 18.5°F
  • Accel. Pedal = 0%
Threshold Value
  • Difference of 'Desired engine speed' and 'Atucal engine speed' is higher than 100rpm
Diagnostic Time
  • 8sec
MIL ON Condition
  • 2 driving cycle
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