p0507
Moderate
Citroen · Sedans & Hatchbacks
Idle Air Control System Malfunction (Idle RPM too high)
Quick Answer
Error code P0507 on your Citroen Sedans & Hatchbacks means: Idle Air Control System Malfunction (Idle RPM too high). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Perform smoke test for vacuum leaks
2
Clean throttle body and intake valves
3
Check idle control valve operation
4
Inspect PCV hoses for damage
5
Retest idle RPM after cleaning
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Idle Air Control valve
Throttle body cleaner
PCV hose
Intake valve cleaner
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