P2025 low

Evaporative Emission System Fuel Vapor Temperature Sensor Circuit Range/Performance

The P2025 code means the vehicle's onboard diagnostic system has detected: Evaporative Emission System Fuel Vapor Temperature Sensor Circuit Range/Performance. This is a low severity code.

My Garage →
Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$100 - $300 (parts and labor)
Recommended Tool
ANCEL AD310 OBD-II Scanner

Best-selling code reader on Amazon. Reads and clears check engine codes on any 1996+ vehicle. Under $30.

Check Price on Amazon

Affiliate link -- we earn a commission at no extra cost to you.

Every Tech Needs This
AstroAI Digital Multimeter

Essential for diagnosing sensor codes, checking voltage, and testing circuits. Under $15 and pays for itself on the first job.

Check Price on Amazon

Affiliate link -- we earn a commission at no extra cost to you.

Common Symptoms

  • Check Engine Light illuminated
  • No noticeable driving symptoms
  • EVAP monitor will not complete
  • Possible emissions test failure
  • Slight fuel odor in rare cases

Probable Causes (Ranked by Likelihood)

  • Fuel vapor temperature sensor reading out of range Very High
  • Contaminated or degraded sensor High
  • Intermittent wiring connection Moderate
  • EVAP canister partially clogged Moderate
  • PCM software issue Low

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2025

  2. Compare fuel vapor temperature sensor reading to ambient temperature at cold start

  3. Inspect sensor for contamination or physical damage

  4. Check wiring for intermittent connections

Frequently Asked Questions

What does P2025 mean?

P2025 means the fuel vapor temperature sensor in the EVAP system is reading values outside the expected range, indicating the sensor may be degraded or have a wiring issue.

Can I drive with a P2025 code?

Yes, you can drive normally. This code does not affect engine performance but will cause an emissions test failure.

How much does it cost to fix P2025?

Typical repair costs are $100 to $300 for sensor replacement or wiring repair.

Sources

This page is built from documented references. Verify against your own service info before repair work.

Explore More

Search codes Vehicle-specific fixes Guides By make

Was this helpful?

Share carcodefinder.com with a friend who needs to decode their check engine light.

Browse by symptom → Read repair guides → Fixes by vehicle →