OBD-II code · Powertrain (generic, extended)
P2B7E EVAP System Pressure Sensor/Switch C Circuit Intermittent
The EVAP pressure sensor/switch C reports a circuit intermittent condition. Tank pressure plausibility for leak detection on this branch is impaired.
Is it safe to drive with P2B7E?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor connector not seated
- PossibleNoisy ground reference
- Less likelyConnector with intermittent contact under vibration
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Evap Pressure Sensor C, Wiring Harness, Ecm
Related codes
- P0454EVAP System Pressure Sensor/Switch A Circuit Intermittent
- P2B7BEVAP System Pressure Sensor/Switch C Circuit Range/Performance
- P2B7CEVAP System Pressure Sensor/Switch C Circuit Low
- P2B7DEVAP System Pressure Sensor/Switch C Circuit High
- P2B7FTurbocharger/Supercharger Boost Control Module A Calibration Not Learned/Programmed
- P2B80Turbocharger/Supercharger Boost Control Module B Calibration Not Learned/Programmed
- P2B81Wastegate Position Sensor A Circuit Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.