AutoCodes – Volkswagen – P1087 Volkswagen

P1087 Volkswagen Code - Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached

Quick Answer

P1087 Volkswagen indicates Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached. Common causes include Faulty Oxygen Sensor, Oxygen Sensor harness is open or shorted, Oxygen 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: P1087 Volkswagen indicates Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached.
Common causes: Common causes include Faulty Oxygen Sensor, Oxygen Sensor harness is open or shorted, Oxygen 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.

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Code Popularity 5,831

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

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Table of contents Created and updated by William Orellana on Apr 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1087 Volkswagen Description

OBDII Code P1087 Volkswagen - Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached - AutoCodes.com — P1087 Volkswagen Code - Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached

What does this mean?

What are the Possible Causes of the DTC P1087 Volkswagen?

Faulty Oxygen Sensor
Oxygen Sensor harness is open or shorted
Oxygen Sensor circuit poor electrical connection

How to Fix the DTC P1087 Volkswagen?

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 P1087 Volkswagen 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.

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Need more information on how to fix the P1087 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1087 Volkswagen 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 P1087 Volkswagen Code

1. What are the common symptoms of OBDII code P1087 in a Volkswagen?

The common symptoms of code P1087 in a Volkswagen may include rough idling, decreased fuel efficiency, engine misfires, and the illumination of the check engine light.

2. What does the OBDII code P1087 Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached mean in a Volkswagen?

This code indicates that the engine control module has detected that the air-fuel mixture on Bank 4 is too lean and has not reached the lower rich limit as expected.

3. What are the possible causes of code P1087 in a Volkswagen?

Possible causes of code P1087 in a Volkswagen include a faulty oxygen sensor, vacuum leaks, a clogged fuel injector, a malfunctioning mass airflow sensor, or issues with the fuel system.

4. How can I diagnose OBDII code P1087 in my Volkswagen?

Diagnosing code P1087 in a Volkswagen typically involves using a diagnostic scanner to retrieve the fault codes, checking the oxygen sensor readings, inspecting for vacuum leaks, testing the fuel injectors, and examining the air intake system.

5. Can I continue driving my Volkswagen with code P1087?

It is not recommended to drive your Volkswagen with an unresolved P1087 code, as it can lead to further engine damage and decreased performance. It is best to address the issue promptly.

6. How do I repair OBDII code P1087 in my Volkswagen?

Repairing code P1087 in a Volkswagen may involve replacing the faulty oxygen sensor, fixing any vacuum leaks, cleaning or replacing clogged fuel injectors, repairing the mass airflow sensor, or addressing fuel system issues.

7. Is it possible to clear the P1087 code in a Volkswagen without fixing the underlying issue?

Clearing the P1087 code without addressing the underlying problem will only temporarily turn off the check engine light. The issue will likely resurface, and it is important to diagnose and repair the root cause of the code.

8. Can a DIY enthusiast fix OBDII code P1087 in a Volkswagen?

While some aspects of diagnosing and repairing code P1087 may be within reach of a skilled DIY enthusiast, it is recommended to seek professional help for accurate diagnosis and proper repair to ensure the issue is effectively resolved.

9. How much does it cost to fix OBDII code P1087 in a Volkswagen?

The cost to fix code P1087 in a Volkswagen can vary depending on the underlying cause of the issue, the parts needed for repair, and the labor rates of the service provider. It is advisable to obtain quotes from different repair shops.

10. How can I prevent OBDII code P1087 from occurring in my Volkswagen?

To prevent OBDII code P1087 in your Volkswagen, it is important to perform regular maintenance, address any engine performance issues promptly, use quality fuel, and ensure that the air intake system is clean and free of leaks.