AutoCodes – Generic – P2028

P2028 Code - Evaporative Emissions Fuel Vapor Temperature Sensor Circuit Intermittent

Quick Answer

P2028 indicates Evaporative Emissions Fuel Vapor Temperature Sensor Circuit Intermittent. Common causes include Faulty Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor, Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor harness is open or shorted, Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P2028 indicates Evaporative Emissions Fuel Vapor Temperature Sensor Circuit Intermittent.
Common causes
Common causes include Faulty Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor, Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor harness is open or shorted, Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 11,085
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2028 Description

OBDII Code P2028 - Evaporative Emissions Fuel Vapor Temperature Sensor Circuit Intermittent - AutoCodes.com
P2028 Code - Evaporative Emissions Fuel Vapor Temperature Sensor Circuit Intermittent

What are the Possible Causes of the DTC P2028?

  • Faulty Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor
  • Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor harness is open or shorted
  • Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor circuit poor electrical connection

How to Fix the DTC P2028?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2028 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2028 code?

Need more information on how to fix the P2028 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2028 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • P2028 Dodge β€” Evaporative Emissions Fuel Vapor Temperature Sensor Circuit Intermittent
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2028 Code

1. What are common symptoms of OBDII code P2028 related to the Evaporative Emissions Fuel Vapor Temperature Sensor Circuit Intermittent?

- Common symptoms include rough idling, decreased fuel efficiency, and the illumination of the check engine light.

2. What are possible causes of OBDII code P2028?

- Possible causes include a faulty fuel vapor temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module.

3. How can I diagnose the cause of OBDII code P2028?

- Diagnosing the issue typically involves using an OBDII scanner to retrieve the code, inspecting the sensor and its circuit for damage, and testing the sensor's resistance and voltage output.

4. Can I continue driving with OBDII code P2028 active?

- It is generally not recommended to ignore this code, as it can lead to decreased performance and potentially cause further damage to the vehicle's emissions system.

5. How can I repair OBDII code P2028?

- Repair options include replacing the fuel vapor temperature sensor, repairing or replacing damaged wiring or connectors, and clearing the code with an OBDII scanner.

6. Are there any DIY tips for fixing OBDII code P2028?

- While some basic troubleshooting like checking for loose connections can be done by DIY enthusiasts, diagnosing and repairing this code may require professional help due to the complexity of the emissions system.

7. Can a loose gas cap cause OBDII code P2028?

- A loose or faulty gas cap can trigger a different code related to the evaporative emissions system, but it is unlikely to directly cause OBDII code P2028.

8. How long does it typically take to repair OBDII code P2028?

- The repair time can vary depending on the exact cause of the code, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the issue.

9. Will OBDII code P2028 cause my vehicle to fail an emissions test?

- Yes, having this code active will likely cause your vehicle to fail an emissions test, as it indicates a problem with the fuel vapor temperature sensor circuit.

10. Can extreme weather conditions affect OBDII code P2028?

- Extreme temperatures can potentially impact the performance of the fuel vapor temperature sensor, leading to intermittent issues and triggering the code.

Discuss the causes and fixes for P2028 OBDII Code

  • p2028 code VW passat ~ how serious is this code? Repairs?

  • What year is your Passat? EVAP codes are engine performance related problem, usually only affect the emission.

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