P0507 Toyota Rav4
Idle Air Control System RPM Higher Than Expected · Powertrain Code · Medium · Repair: Easy
What is P0507?
Idle speed is higher than the ECM expects. May be caused by a vacuum leak, stuck IAC valve, or throttle body issue.
When the Toyota Rav4 triggers code P0507 (idle air control system rpm higher than expected), it typically points to an issue in the powertrain system. Below you'll find the most common causes, symptoms, and repair options specific to the Toyota Rav4.
This repair is rated easy, meaning basic tools, no lift needed.
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 Toyota Rav4.
Common Causes on Toyota Rav4
- Idle speed higher than expected — vacuum leak most common cause on Toyota
- Dirty throttle body holding blade slightly open
- Stuck-open IAC or EVAP purge valve adding unmetered air
- Intake manifold gasket leak
Symptoms
- Check Engine Light on
- Idle speed 200-400 RPM above normal (typically 950+ RPM instead of 650-750)
- Engine feels slightly revvy at stops
- May notice slightly increased fuel consumption at idle
Notes for Toyota Rav4
On Toyota, always perform idle relearn after cleaning the throttle body — disconnect battery for 30 mins, reconnect, start engine, and let it idle for 10 minutes without touching the gas pedal.