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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 P050A: Cold Start Idle Air Control System Performance >> 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. Has a problem been found in any of the above areas?

    YES 

    NO 

    • Go to next step below.

■ Check air leakage 

  1. Visually and physically inspect for air and vacuum leaks in the areas listed below:
    • Vacuum hoses for splits, kinks and improper connections.
    • Throttle body gasket
    • Gasket between intake manifold and cylinder head
    • Seals between intake manifold and fuel injectors
    • Exhaust system between HO2S and three way catalyst for air leakage
  2. Has a problem found in this procedure?

    YES 

    NO 

    • Go to next step below.