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.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $100 - $300 (parts and labor)
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What Are the Symptoms of P2024?
- Check Engine Light on
- No noticeable driveability symptoms
- May fail emissions test
- Possible faint fuel odor
- EVAP system monitor incomplete
What Causes P2024? (Most Likely First)
- 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
Can I Still Drive with P2024?
Yes, but fix soon. P2024 is rated low severity. It is not an immediate stop-driving fault, but it will not clear itself — book the repair rather than ignoring the light.
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.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2024?
-
Confirm P2024 with scan tool and freeze frame data
-
Locate and inspect the fuel vapor temperature sensor and connector
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Measure sensor resistance at various temperatures
-
Check wiring continuity between sensor and PCM
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Which Vehicles Commonly Get P2024?
- 2013-2020 Ram 2500 6.7L Cummins
- 2011-2019 Chevrolet Silverado 2500 6.6L Duramax
- 2009-2015 Volkswagen Jetta 2.0L TDI
- 2012-2018 BMW 328d 2.0L Diesel
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