P2024 low

Evaporative Emission System Fuel Vapor Temperature Sensor Circuit

The P2024 code means the vehicle's onboard diagnostic system has detected: Evaporative Emission System Fuel Vapor Temperature Sensor Circuit. This is a low severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$100 - $300 (parts and labor)
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Common Symptoms

  • Check Engine Light on
  • No noticeable driveability symptoms
  • May fail emissions test
  • Possible faint fuel odor
  • EVAP system monitor incomplete

Probable Causes (Ranked by Likelihood)

  • Faulty fuel vapor temperature sensor Very High
  • Open or shorted wiring in sensor circuit High
  • Corroded sensor connector Moderate
  • Damaged EVAP canister Low
  • PCM fault Low

Step-by-Step Diagnostic Procedure

  1. Confirm P2024 with scan tool and freeze frame data

  2. Locate and inspect the fuel vapor temperature sensor and connector

  3. Measure sensor resistance at various temperatures

  4. Check wiring continuity between sensor and PCM

Frequently Asked Questions

What does P2024 mean?

P2024 indicates a problem with the fuel vapor temperature sensor circuit in the evaporative emission system, which monitors the temperature of fuel vapors in the EVAP canister.

Can I drive with a P2024 code?

Yes, this code is safe to drive with. There are typically no driveability issues, but you may fail an emissions test.

How much does it cost to fix P2024?

Repairs usually cost $100 to $300, with the sensor itself being relatively inexpensive.

Sources

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

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