TorqueMech OBD Code Guide
P0507 - Idle Control System RPM Higher Than Expected
Idle speed is higher than the PCM expects at closed throttle.
Severity
Medium
Drivability
High idle, hanging RPM, rough idle after warm-up
Typical Cost
$100 - $600+
Code Meaning
Idle speed is higher than the PCM expects at closed throttle.
What You May Notice
- Idle speed higher than expected after warm-up
- Hanging RPM between shifts
- Rough or unstable idle
- Occasional stalling after throttle closure on some vehicles
Common Causes
Dirty throttle body
Vacuum leak
Idle relearn needed after battery or throttle service
Throttle actuator or IAC issue
Quick Checks
- Inspect for vacuum leaks
- Check throttle body for carbon buildup
- Perform idle relearn if applicable
- Scan for related throttle or idle control codes
Idle Control Checks
- Check commanded idle speed against actual RPM
- Inspect the throttle body for sticking or contamination
- Smoke test for vacuum leaks before replacing the throttle body
- Review airflow and throttle angle data for plausibility
Likely Repairs
Use test results to confirm the fault before pricing the repair.
Throttle body cleaning
Estimator-ready next step for a confirmed repair path.
Throttle body service
Estimator-ready next step for a confirmed repair path.
Vacuum leak smoke test
Estimator-ready next step for a confirmed repair path.
Throttle body replacement
Estimator-ready next step for a confirmed repair path.
Related Codes
Next Steps
Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.