What does code P0507 mean and is it safe to drive?
P0507: Idle Air Control System RPM Higher Than Expected. Here’s what it means, what usually causes it, what repairs typically cost, and how urgent it is to keep driving.
PowertrainGenerally safe to drive
Repair cost
$50–$400
System
Powertrain
Urgency
low
What this code means
Idle speed is higher than the PCM expects. Often caused by a vacuum leak or dirty IAC valve.
Common causes
- 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
Repairs for P0507 often fall between $50 and $400, depending on the cause and your vehicle.