P2025

EVAP Fuel Vapor Temperature Sensor Performance

Q: Is it safe to drive with P2025?

Yes. It is an EVAP monitoring fault with no impact on drivability. Fix it mainly to keep emissions monitors working and pass inspection.

Q: Can I just clear P2025?

It will come back once the monitor runs again unless the sensor or wiring is repaired.

EVAP (emissions) Generic OBD-II Low

What it means

P2025 means the evaporative emissions (EVAP) fuel vapor temperature sensor is not reading correctly — its signal is out of range or does not match actual conditions. The engine runs normally; the code mainly affects the EVAP leak-detection monitor. Verify the reading with a scan tool and check the wiring before replacing the sensor.

Low

Can I keep driving? Safe to drive — this is an emissions-monitoring sensor with no effect on how the engine runs.

Real-world scan data

Seen in

scans in the past year

Found in

<0.1%

of scans

<0.1%

of scans that found faults

Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.

Common symptoms

What you'll notice

Check-engine light on
No noticeable change in how the vehicle drives
May block completion of the EVAP readiness monitor (relevant for emissions testing)

Common causes

Most likely first

Faulty EVAP fuel vapor temperature sensorLikely
Sensor reading out of range or drifting from actual temperatureCommon
Wiring open or shorted in the sensor circuitCommon
Corroded or loose connectorLess often

How to diagnose & fix

Work through it in order

Read freeze-frame data and view the vapor temperature sensor reading with a scan tool.
Compare the sensor reading to actual ambient/tank temperature when cold — a large mismatch confirms a bad sensor.
Inspect the connector and wiring for opens, shorts, or corrosion; repair as needed.
Replace the fuel vapor temperature sensor if it reads out of range with good wiring.

FAQ

Quick answers

Is it safe to drive with P2025?+

Yes. It is an EVAP monitoring fault with no impact on drivability. Fix it mainly to keep emissions monitors working and pass inspection.

Can I just clear P2025?+

It will come back once the monitor runs again unless the sensor or wiring is repaired.

Read & clear P2025 yourself

Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.

▶ Get it on Google Play

✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX