Home › Codes › Idle, computer & transmission
P0506: Idle Air Control System RPM Lower Than Expected
Severity: Medium Drive gently and get it diagnosed soon.
What does P0506 mean?
Idle speed is lower than the computer is targeting.
Generic OBD-II definition: Idle Air Control System RPM Lower Than Expected. Confirm applicability in your vehicle service information.
Common causes
- Dirty throttle body
- Faulty idle control
- Restricted intake
Symptoms
- Low or rough idle
- Stalling
Can I keep driving with P0506?
Severity: Medium Drive gently and get it diagnosed soon.
If the check engine light is flashing or the car runs badly, stop driving and have it checked.
Typical fixes
- Clean throttle body
- Perform idle relearn if required