Engine-CodesAudi – P1563 Audi

P1563 Audi Code - Quantity Adjuster Lower Stop Value

Quick Answer

The P1563 diagnostic trouble code for Audi vehicles refers to the Quantity Adjuster Lower Stop Value. Common causes include Faulty quantity adjuster, Wiring or connection issues, Dirty or clogged fuel injectors. 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
P1563 Audi indicates Quantity Adjuster Lower Stop Value.
Common causes
Common causes include Faulty quantity adjuster, Wiring or connection issues, Dirty or clogged fuel injectors.
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.
Table of contents Created and updated by William Orellana on Sep 10, 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 P1563 Audi Description

The P1563 diagnostic trouble code for Audi vehicles refers to the Quantity Adjuster Lower Stop Value. This code indicates an issue with the quantity adjuster in the fuel injection system, specifically related to the lower stop value. The quantity adjuster is responsible for regulating the amount of fuel that enters the engine cylinders, ensuring optimal combustion and performance. When the lower stop value is affected, it can lead to improper fuel delivery, which can result in engine misfires, reduced power, decreased fuel efficiency, and potential engine damage if not addressed promptly.

OBDII Code P1563 Audi - Quantity Adjuster Lower Stop Value
P1563 Audi Code - Quantity Adjuster Lower Stop Value

Common Causes of P1563 Audi

  1. Faulty quantity adjuster
  2. Wiring or connection issues
  3. Dirty or clogged fuel injectors
  4. Fuel system contamination
  5. Fuel pressure regulator malfunction

Symptoms of P1563 Audi

  1. Engine misfires
  2. Reduced power and acceleration
  3. Poor fuel efficiency
  4. Rough idle
  5. Check engine light illuminated

How to Fix P1563 Audi

  1. Diagnose the issue by using a diagnostic scanner to retrieve the trouble code and inspect the quantity adjuster and related components.
  2. Clean or replace fuel injectors if they are found to be dirty or clogged.
  3. Check and repair any wiring or connection issues related to the quantity adjuster.
  4. Replace the quantity adjuster if it is found to be faulty and adjust the lower stop value as needed.
  5. Perform a test drive to ensure the issue is resolved and clear the trouble code from the vehicle's computer.

Cost to Fix P1563 Audi

The typical repair costs for addressing the P1563 code in an Audi vehicle can vary depending on the specific cause of the issue and the cost of parts and labor. In general, the repair cost for this issue can range from $200 to $500, including parts and labor. It is important to note that the actual cost may vary based on the location of the repair shop, the vehicle's make and model, and the type of engine. It is recommended to obtain quotes from multiple auto repair shops to get a more accurate estimate for the repair.

Need more information about the P1563 Audi code?

Need more information on how to fix the P1563 Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1563 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 P1563 Audi Code

No Frequently Asked Questions about P1563 Audi Code found.

Discuss the causes and fixes for P1563 Audi OBDII Code

Code P1563 Audi comments

No comments found for this page.