p0507
Easy Fix
Fiat · Cars
Idle Air Control System Malfunction (RPM Higher Than Expected)
Quick Answer
Error code P0507 on your Fiat Cars means: Idle Air Control System Malfunction (RPM Higher Than Expected). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check idle RPM with scanner (should be 600-800)
2
Inspect for vacuum leaks using smoke test
3
Clean throttle body and intake valves
4
Test idle air control valve functionality
5
Clear code after repairs
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Throttle body cleaner
Gaskets
Idle control valve
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