Idle Air Control System RPM Higher Than Expected
Powertrain Code · Medium
What does P0507 mean?
Idle speed is higher than the ECM expects. May be caused by a vacuum leak, stuck IAC valve, or throttle body issue.
System: Idle Control
P0507 is a powertrain diagnostic trouble code indicating idle air control system rpm higher than expected. This code is classified as medium severity, which means: schedule service — affects performance or emissions. We have vehicle-specific diagnostic data for 43 models below. Select your vehicle for tailored causes, symptoms, and repair cost estimates.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.
See causes, symptoms, and repair costs for P0507 on specific vehicles: