Causes and Fixes P0506 Code: Idle Air Control System RPM Lower Than Expected

How to fix a P0506 engine code: Idle Air Control System RPM Lower Than Expected.
A P0506 code is set when the computer detects the engine RPMs at Idle are too low.
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[@jwill1782]

Great video and knowledge thank you

[@hazel3883]

I have a 2018 Hyundai Elantra sport and my engine light is on and it says ilde air control system what can I do to get fix please

[@bornagogetta4176]

Pay someone to give you a proper diagnosis. Reliable Diagnosis cannot be done here…

[@FortunateVids]

If I post a video of a sound my car is making could you diagnose it?