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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 42 (Engine Control System Diagnosis - 2.0L (2 Of 3) (Except HEV)) >> DTC P0506: Idle Air Control System-RPM Lower Than Expected >> System Inspection

System Inspection

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■ Check restricted intake or exhaust system 

  1. Visually/physically inspect the following components:
    • Air cleaner filter element for excessive dirt or for any foreign objects.
    • Throttle body inlet for damage or for any foreign objects.
    • Restricted exhaust system.
  2. Was a problem found in any of the above areas?

    YES 

    NO 

    • Go to next step below.