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P0507: Idle Air Control System RPM Higher Than Expected
Severity: Low Usually safe to keep driving, but get it checked.
What does P0507 mean?
Idle speed is higher than the computer is targeting, often from a vacuum leak or dirty throttle body.
Generic OBD-II definition: Idle Air Control System RPM Higher Than Expected. Confirm applicability in your vehicle service information.
Common causes
- Vacuum leak
- Dirty throttle body
- Faulty IAC valve or electronic throttle
Symptoms
- High idle
- Surging idle
Can I keep driving with P0507?
Severity: Low Usually safe to keep driving, but get it checked.
If the check engine light is flashing or the car runs badly, stop driving and have it checked.
Typical fixes
- Check for vacuum leaks
- Clean throttle body
- Perform idle relearn