What does code P0507 mean on a Honda and is it safe to drive?
P0507: Idle Air Control System RPM Higher Than Expected. Here's what it means on your Honda, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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What this code means
Idle speed is higher than the PCM expects. Often caused by a vacuum leak or dirty IAC valve.
Common causes for your Honda
- Vacuum leak
- Dirty or faulty idle air control valve
- Throttle body carbon buildup
Symptoms
- High idle
- Check Engine Light
- Possible surging
Typical fixes
- Find and fix vacuum leaks
- Clean or replace IAC valve
- Clean throttle body
Repair cost range
For a Honda, repairs for P0507 often fall between $50 and $400, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Honda
Honda P0507 typically means a dirty or faulty IACV. The fix is usually a throttle body cleaning with the proper Honda throttle body cleaner and an idle relearn procedure rather than replacing the entire valve.
Most commonly affected models
Accord 2003–2012CR-V 2002–2011Civic 2006–2015