AutoCodes – Generic – P14A3

P14A3 Code - Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure

Quick Answer

The Engine Control Module (ECM) monitors the Boost Pressure Sensor. Common causes include Faulty Boost Pressure Sensor, Boost Pressure Sensor harness is open or shorted, Boost Pressure 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
P14A3 indicates Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure.
Common causes
Common causes include Faulty Boost Pressure Sensor, Boost Pressure Sensor harness is open or shorted, Boost Pressure 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 13,398
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 01, 2019
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code P14A3 Description

The Engine Control Module (ECM) monitors the Boost Pressure Sensor. The ECM sets the OBDII code when the Boost Pressure Sensor is not to factory specifications.
OBDII Code P14A3 - Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure - AutoCodes.com
P14A3 Code - Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure

What are the Possible Causes of the DTC P14A3?

  • Faulty Boost Pressure Sensor
  • Boost Pressure Sensor harness is open or shorted
  • Boost Pressure Sensor circuit poor electrical connection

How to Fix the DTC P14A3?

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 P14A3 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 P14A3 code?

Need more information on how to fix the P14A3 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P14A3 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • P14A3 BMW β€” Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure
  • P14A3 MINI β€” Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure
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 P14A3 Code

1. What are the common symptoms of OBDII code P14A3?

- Common symptoms include reduced engine performance, increased fuel consumption, and the illumination of the Check Engine Light.

2. What can cause OBDII code P14A3 to trigger?

- This code can be triggered by issues such as a faulty diesel particulate filter pressure sensor, leaks in the exhaust system, or issues with the boost pressure system.

3. How can I diagnose the cause of OBDII code P14A3?

- Diagnosing this code typically involves checking the diesel particulate filter pressure sensor, inspecting for exhaust leaks, and testing the boost pressure system for any malfunctions.

4. Can driving with OBDII code P14A3 cause further damage to my vehicle?

- Continuing to drive with this code present can potentially lead to increased emissions, reduced fuel efficiency, and damage to the diesel particulate filter over time.

5. What are some repair tips for fixing OBDII code P14A3?

- Repair tips may include replacing the diesel particulate filter pressure sensor, repairing any exhaust leaks, and ensuring the boost pressure system is functioning correctly.

6. Is it safe to continue driving my vehicle with OBDII code P14A3 unresolved?

- It is not recommended to continue driving with this code unresolved, as it can lead to further complications and potential damage to the vehicle's emissions system.

7. Can OBDII code P14A3 be triggered by a loose or damaged vacuum hose?

- Yes, a loose or damaged vacuum hose in the boost pressure system can potentially trigger code P14A3 by causing pressure discrepancies.

8. How much does it typically cost to repair OBDII code P14A3?

- The cost of repairs for this code can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Will resetting the Check Engine Light resolve OBDII code P14A3?

- Simply resetting the Check Engine Light without addressing the underlying issue will not resolve OBDII code P14A3, as the problem causing the code will persist.

10. Can a DIY enthusiast fix OBDII code P14A3 at home?

- Depending on their mechanical skills and tools available, some DIY enthusiasts may be able to address simpler causes of this code, such as checking for loose hoses or connections. However, more complex issues may require professional assistance.

Discuss the causes and fixes for P14A3 OBDII Code

Code P14A3 comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play