Ask Andy AIP0507 Idle Air Control System RPM Higher Than Expected
What it means, what causes it, and what it costs to fix.
What P0507 means
The engine idles faster than the computer is commanding. Extra air is getting in from somewhere.
Can I drive with P0507?
Severity: Low. Not urgent. Fix it when convenient.
Drivable. A high idle can make the car creep in gear and wear brakes faster.
Get a diagnosis for your exact car
Tell Andy your year, make, model, and symptoms. You'll get best case, most likely, and worst case, with parts and labor costs. Free, in about 15 seconds.
Ask Andy about P0507Symptoms
- High idle (often 1,000+ rpm warm)
- Car creeps in drive
- Harsh engagement into gear
Common causes
Most likely first.
- Vacuum leak
- Dirty throttle body
- Sticking IAC valve
- PCV valve stuck open
How to diagnose P0507
- Smoke-test for vacuum leaks.
- Clean the throttle body.
- Check the PCV valve and hoses.
- Perform an idle relearn.
Tip: most US auto parts stores will read your codes for free.
Repair costs
| Throttle body cleaning | $10–$120 |
| Vacuum leak repair | $20–$400 |
| IAC valve | $100–$300 installed |
Typical US prices. Your vehicle, region, and shop rates will change these.
P0507 FAQ
What does P0507 mean?
P0507 means "Idle Air Control System RPM Higher Than Expected." The engine idles faster than the computer is commanding. Extra air is getting in from somewhere.
Can I drive with a P0507 code?
Drivable. A high idle can make the car creep in gear and wear brakes faster.
What is the most common cause of P0507?
The most common cause is: Vacuum leak. Other causes include dirty throttle body and sticking iac valve.
How much does it cost to fix P0507?
Typical repairs run about $10 to $400 in the US, depending on the cause. Throttle body cleaning: $10–$120.
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