What does code P0507 mean on a Volvo and is it safe to drive?
P0507: Idle Air Control System RPM Higher Than Expected. Here's what it means on your Volvo, 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 Volvo
- 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 Volvo, 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 Volvo
Volvo T5 turbocharged P0507 is often caused by a boost leak from the turbo inlet hose or intercooler pipe—unmetered air enters after the MAF sensor and raises idle. Fix any boost leaks first before cleaning the throttle body, or the high idle will return.
Most commonly affected models