P0507 Honda Hr-V
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 Honda Hr-V 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 Honda Hr-V.
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 Honda Hr-V.
Common Causes on Honda Hr-V
- Vacuum leak (PCV valve, brake booster hose, intake gasket)
- Dirty or sticking electronic throttle body
- IAC valve stuck partially open
- After-repair idle not relearned
Symptoms
- Idle speed above 200 RPM over target
- Check Engine Light on
- Engine races at idle
- Idle does not settle after warming up
Notes for Honda Hr-V
The most frequently overlooked cause on Honda is a cracked PCV valve or loose PCV hose — check it first as it is a 2-minute diagnosis.