P2407: EVAP Leak Detection Pump Sense Circuit Range/Performance
Standardized SAE J2012 code · P24xx — Auxiliary emission controls
What does P2407 mean?
The leak detection pump returns a sense signal that is electrically valid but does not match the expected response during the pump's self-test or pressure cycle.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Common causes
- High Pump diaphragm worn
- Medium Sense wiring high resistance
- Low Sensor element aged beyond calibration window
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2407 on the same make and model first.
P2407 in the community
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