P0507Medium urgency

Idle Air Control System RPM Too High

Fuel System · Idle Control

⚠️ Safe to drive — high idle is annoying but not immediately dangerous.

What this means

The engine idle speed is higher than the target RPM. Common causes include a vacuum leak or stuck-open IAC valve. Idle may be 1,000 to 2,000+ RPM instead of normal 600 to 800 RPM.

Likely causes

Vacuum leak in intake systemMost common
Stuck-open IAC valveMost common
Dirty throttle bodyCommon
Failed throttle position sensorLess common

Estimated repair cost

Vacuum leak repair$75 – $250

IAC valve replacement$100 – $300

Throttle body cleaning$75 – $200

🏪

Frequently asked questions

What does P0507 mean?

The engine idle speed is higher than the target RPM. Common causes include a vacuum leak or stuck-open IAC valve. Idle may be 1,000 to 2,000+ RPM instead of normal 600 to 800 RPM.

Is P0507 serious?

Safe to drive — high idle is annoying but not immediately dangerous.

How much does it cost to fix P0507?

Repair costs for P0507 range from $75 – $250 depending on the root cause and your vehicle.

Can I drive with P0507?

You can drive short distances but should have it repaired within 1-2 weeks to prevent further damage.