Idle Control System RPM higher Than Expected
29 articles · 4 makes affected
What is P0507?
P0507 indicates your engine's idle control system is running at higher RPMs than expected, which is a powertrain issue of medium severity. This typically occurs when the engine computer cannot properly regulate idle speed, often due to vacuum leaks or sensor problems. Based on real owner data, this code appears frequently in Honda Accord, Nissan Maxima, and Jeep Liberty models.
Common Causes
- ●Vacuum leaks in the intake system (commonly mentioned in repair discussions)
- ●Faulty idle air control valve (IACV) or throttle body issues
- ●Dirty or malfunctioning mass airflow sensor (MAF)
Symptoms You May Notice
- ●Engine idling at higher RPM than normal (most common symptom)
- ●Check engine light illuminated with possible drivability issues
- ●Vehicle shuddering or rough operation at idle (reported in CR-V cases)
How to Fix It
- ●Diagnose and repair vacuum leaks ($150-$400, medium difficulty)
- ●Clean or replace idle air control valve ($200-$500, medium difficulty)
- ●Replace mass airflow sensor ($100-$300, easy to medium difficulty)
Most Effective Fixes
Based on 16 owner reports. Success rates show how often each fix resolved the issue.
Start with the highest success rate fix when diagnosing P0507. If that doesn't resolve the issue, work down the list.
Root Causesfor P0507
Based on 2 owner reports
What Didn't Help
Repairs that owners tried but didn't fix the issue
Owner Statistics
Based on 94,854 real owner discussions • 3642 confirmed solutions
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
Frequently Appears With
These codes often appear together in owner reports. Check these if you see P0507.
Based on analysis of 2 owner reports where multiple codes appeared together.