P24BC: EVAP System Leak Detection Pump Pressure Sensor Circuit Intermittent
Standardized SAE J2012 code · P24xx — Auxiliary emission controls
What does P24BC mean?
Same as P24B8 with intermittent or erratic signal. The evaporative system captures fuel vapor from the tank and purges it into intake; leaks or stuck purge valves leak hydrocarbons and cause emissions failures.
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 Intermittent contact at connector
- Low Connector with intermittent contact under vibration
- Low Harness routed against vibrating component
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P24BC on the same make and model first.
P24BC in the community
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