p0507
Moderate
Alfa Romeo · Sedans & Sports Cars
Idle Air Control System Malfunction (Idle Speed High)
Quick Answer
Error code P0507 on your Alfa Romeo Sedans & Sports Cars means: Idle Air Control System Malfunction (Idle Speed High). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect all vacuum hoses for leaks
2
Clean throttle body
3
Test idle air control valve
4
Verify mass airflow sensor operation
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
Gaskets
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