P0507

P0507 means: Idle Air Control System RPM Too High. Idle speed is higher than commanded target.

Idle Air Control System RPM Too High

Idle speed is higher than commanded target.

SeverityModerate

CategoryEngine

Est. Repair Cost$50–$300

Code TypePowertrain

DIY RepairYes

💡 Pro Tip: A high idle on a warm engine is almost always a vacuum leak — smoke testing is the fastest diagnosis.

Full Repair Estimate

$50–$300

DIY Possible?

YES

Severity

Moderate

What does OBD2 code P0507 mean?+

P0507 stands for Idle Air Control System RPM Too High. Idle speed is higher than commanded target.

What causes code P0507?+

Vacuum leak pulling extra air; Stuck-open IAC valve; Throttle not fully closing; Faulty coolant temp sensor causing over-idle

How do I fix code P0507?+

Smoke test for vacuum leaks; Check throttle plate closes fully; Clean IAC valve; Replace coolant temp sensor if reading cold when warm

How much does it cost to fix P0507?+

Estimated repair cost for P0507 is $50–$300.

Is P0507 DIY-friendly?+

Yes — P0507 is generally DIY-friendly with basic tools.