AutoCodes – Audi – P0487 Audi

P0487 Audi Code - Exhaust Gas Recirculation Throttle Control Circuit 'A' Open

Quick Answer

This fault code is stored in the Engine Control Module (ECM) when a malfunction is detected in the Exhaust Gas Recirculation Throttle Circuit. Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve, Exhaust Gas Recirculation Valve harness is open or shorted, Exhaust Gas Recirculation Valve 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: P0487 Audi indicates Exhaust Gas Recirculation Throttle Control Circuit 'A' Open.
Common causes: Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve, Exhaust Gas Recirculation Valve harness is open or shorted, Exhaust Gas Recirculation Valve 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 268

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 15, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0487 Audi Description

This fault code is stored in the Engine Control Module (ECM) when a malfunction is detected in the Exhaust Gas Recirculation Throttle Circuit. The purpose of the EGR throttle is to create a pressure differential between the exhaust manifold and the intake manifold. Without this pressure differential, there would be no flow of exhaust gases under certain operating conditions or on certain engines such as compression ignition engines or engines that operate under stratified conditions.

OBDII Code P0487 Audi - Exhaust Gas Recirculation Throttle Control Circuit 'A' Open - AutoCodes.com — P0487 Audi Code - Exhaust Gas Recirculation Throttle Control Circuit 'A' Open

What does this mean?

What are the Possible Causes of the DTC P0487 Audi?

Faulty Exhaust Gas Recirculation (EGR) Valve
Exhaust Gas Recirculation Valve harness is open or shorted
Exhaust Gas Recirculation Valve circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0487 Audi?

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 P0487 Audi 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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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 P0487 Audi Code

1. What are the common symptoms of OBDII code P0487 in an Audi related to the Exhaust Gas Recirculation Throttle Control Circuit 'A' Open?

The common symptoms include reduced engine performance, rough idling, decreased fuel efficiency, and potential stalling.

2. What are the possible causes of OBDII code P0487 in an Audi?

The code P0487 in an Audi can be caused by issues such as a faulty EGR throttle control position sensor, wiring or connector problems, or a malfunctioning EGR valve.

3. How serious is OBDII code P0487 in an Audi?

While the symptoms of code P0487 may not always be severe, it is important to address the issue promptly to prevent further damage to the engine and ensure optimal performance.

4. Can I continue driving my Audi with OBDII code P0487 present?

It is not recommended to drive your Audi with code P0487 present, as it can lead to performance issues and potential engine damage if left unresolved.

5. How can I diagnose OBDII code P0487 in my Audi?

Diagnosing code P0487 involves using an OBDII scanner to retrieve the code, checking the EGR throttle control position sensor, inspecting wiring and connectors, and testing the EGR valve for proper functionality.

6. What are some repair tips for fixing OBDII code P0487 in an Audi?

Repair tips for code P0487 may include replacing the EGR throttle control position sensor, repairing or replacing damaged wiring or connectors, and cleaning or replacing the EGR valve if necessary.

7. Can I reset OBDII code P0487 in my Audi using an OBDII scanner?

Resetting the code with an OBDII scanner is possible, but it is recommended to address the underlying issue causing the code before resetting it to prevent it from reoccurring.

8. How much does it typically cost to repair OBDII code P0487 in an Audi?

The cost of repairing code P0487 in an Audi can vary depending on the cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

9. Are there any preventative measures to avoid OBDII code P0487 in an Audi?

Regular maintenance and inspection of the EGR system, including the throttle control circuit, can help prevent issues that may lead to code P0487 in an Audi.

10. How long does it usually take to repair OBDII code P0487 in an Audi?

The repair time for code P0487 in an Audi can vary depending on the extent of the issue and the availability of parts, but it may take a few hours to a full day to diagnose and fix the problem.