Engine-Codes.com
Engine-Codes – Audi – P2404 Audi

P2404 Audi Code - Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance

Quick Answer

The P2404 diagnostic trouble code (DTC) for Audi vehicles refers to a fault in the Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance. Common causes include Faulty Leak Detection Pump, Damaged wiring or connectors, Loose or corroded connections. 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
P2404 Audi indicates Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance.
Common causes
Common causes include Faulty Leak Detection Pump, Damaged wiring or connectors, Loose or corroded connections.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
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

Code P2404 Audi Description

The P2404 diagnostic trouble code (DTC) for Audi vehicles refers to a fault in the Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance. This system is responsible for monitoring and controlling the fuel vapors that are emitted from the vehicle's fuel tank. When this code is triggered, it indicates that there is an issue with the circuit that detects leaks in the evaporative emission system, affecting the system's ability to properly regulate and capture fuel vapors.

OBDII Code P2404 Audi - Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance
P2404 Audi Code - Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance

Common Causes of P2404 Audi

  1. Faulty Leak Detection Pump
  2. Damaged wiring or connectors
  3. Loose or corroded connections
  4. Evaporative Emission System leaks
  5. Software issues in the vehicle's onboard computer

Symptoms of P2404 Audi

  1. Check Engine Light illumination
  2. Decreased fuel efficiency
  3. Rough idling
  4. Stalling or difficulty starting the vehicle

How to Fix P2404 Audi

  1. Diagnose the issue using a scan tool to retrieve the specific DTC and pinpoint the source of the problem.
  2. Inspect the Leak Detection Pump, wiring, and connectors for any signs of damage or corrosion.
  3. Repair or replace any faulty components, such as the Leak Detection Pump or damaged wiring.
  4. Clear the DTC from the vehicle's memory and perform a test drive to ensure that the issue has been resolved.
  5. If the problem persists, further diagnostics may be necessary to identify any underlying issues.

Cost to Fix P2404 Audi

The typical repair costs for addressing a P2404 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for a new Leak Detection Pump can range from $100 to $300, while labor costs can range from $100 to $200. Overall, the total repair cost for this issue could range from $200 to $500, including parts and labor.

Need more information about the P2404 Audi code?

Need more information on how to fix the P2404 Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2404 Audi code diagnosed by a professional: Find a repair shop in your area

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 P2404 Audi Code

1. What are the common symptoms of OBDII code P2404 in an Audi?

- Common symptoms include the illumination of the Check Engine Light, decreased fuel efficiency, and potential issues with the vehicle's emission control system.

2. What causes OBDII code P2404 in an Audi?

- This code is typically triggered by a malfunction in the evaporative emission system leak detection pump sense circuit, which may be caused by a faulty leak detection pump, wiring issues, or a vacuum leak.

3. How serious is OBDII code P2404 in an Audi?

- While the vehicle may still be operable with this code present, it is important to address it promptly to prevent potential damage to the emission control system and ensure the vehicle meets emissions standards.

4. Can I continue driving my Audi with OBDII code P2404?

- It is generally safe to drive the vehicle with this code, but it is recommended to have the issue diagnosed and repaired as soon as possible to avoid potential long-term issues.

5. How can I diagnose OBDII code P2404 in my Audi?

- Diagnosis typically involves using an OBDII scanner to read the code, inspecting the evaporative emission system components, checking for vacuum leaks, and testing the leak detection pump and associated circuits.

6. What are the repair options for OBDII code P2404 in an Audi?

- Repair options may include replacing the leak detection pump, repairing any damaged wiring or connectors, fixing vacuum leaks, or resetting the fault code after addressing the underlying issue.

7. Can I reset OBDII code P2404 in my Audi without making repairs?

- While you can clear the code with an OBDII scanner, it is not recommended to do so without addressing the root cause, as the issue may persist and cause further problems down the line.

8. How much does it typically cost to repair OBDII code P2404 in an Audi?

- The cost of repairs can vary depending on the specific cause of the code and labor rates in your area. It is advisable to consult with a mechanic or dealership for an accurate estimate.

9. Are there any maintenance tips to prevent OBDII code P2404 from recurring in my Audi?

- Regularly inspecting and maintaining the evaporative emission system components, ensuring the gas cap is properly sealed, and promptly addressing any Check Engine Light warnings can help prevent this code from recurring.

10. Can a DIY enthusiast repair OBDII code P2404 in an Audi?

- While some aspects of diagnosing and repairing this code may be within reach of a DIY enthusiast, it is recommended to have the issue assessed by a professional mechanic with experience in dealing with emissions-related faults for accurate diagnosis and repair.

Discuss the causes and fixes for P2404 Audi OBDII Code

Submit a New Comment

Code P2404 Audi comments

No comments found for this page.