What does code P0507 mean on a Ford and is it safe to drive?
P0507: Idle Air Control System RPM Higher Than Expected. Here's what it means on your Ford, 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 Ford
- 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 Ford, 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 Ford
Ford P0507 on the 4.6L and 5.4L is commonly caused by a sticking throttle plate or a failed IAC motor. A throttle body cleaning and idle relearn procedure resolves most cases; the IAC is a separate serviceable component on these engines.
Most commonly affected models
F-150 2004–2010Explorer 2002–2008Focus 2005–2011