What does OBD2 code P0506 mean?+
P0506 stands for Idle Air Control System RPM Too Low. Idle speed is lower than commanded target.
What causes code P0506?+
Dirty IAC valve or throttle body; Large vacuum leak; Low fuel pressure at idle; Carbon on throttle plate
How do I fix code P0506?+
Clean throttle body thoroughly; Clean IAC valve; Check for vacuum leaks; Check fuel pressure at idle
How much does it cost to fix P0506?+
Estimated repair cost for P0506 is $50–$300.
Is P0506 DIY-friendly?+
Yes — P0506 is generally DIY-friendly with basic tools.