What does code P0507 mean on a Infiniti and is it safe to drive?
P0507: Idle Air Control System RPM Higher Than Expected. Here's what it means on your Infiniti, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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 Infiniti
- 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 Infiniti, 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 Infiniti
Infiniti P0507 after throttle body cleaning requires the Infiniti idle air volume learning procedure—engine at operating temperature, A/C off, and specific timing steps. Using a Consult-III or compatible scan tool for the relearn is more reliable than the manual key-cycle method.
Most commonly affected models