P0507 – Idle Control System RPM Higher Than Expected
Description
The ECM detects idle speed higher than the programmed target.
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View Recommended ScannersSymptoms
- High idle
- Rough idle
- Hesitation
- Poor fuel economy
Causes
- Vacuum leaks
- Dirty throttle body
- Faulty IAC valve
- PCV issues
Diagnosis
- Inspect vacuum lines
- Clean throttle body
- Monitor idle control data
Repair
- Fix vacuum leaks
- Clean throttle body
- Replace IAC valve
- Repair PCV system
