Audi A4

B8 (2008-2015)

2008 - 2015

Fourth generation A4 with improved efficiency and technology. Available with quattro all-wheel drive and multiple engine options.

Faults

High Priority

Easy Fixes

Fuel filter dirty Audi A4

Learn how to diagnose and replace a dirty fuel filter on an Audi A4 B8 (2008-2015) to resolve issues like engine misfires, loss of power, and poor fuel economy.

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2 hoursrepair time

fuel filter

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Diagnose fuel injector clogged Audi A4

Learn how to diagnose and repair a clogged fuel injector on an Audi A4 B8 (2008-2015) with detailed steps, tools required, and symptoms.

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2-4 hoursrepair time

fuel injector

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P0300-P0306, P0171/P0172

Poor fuel economy solution A4

Learn how to diagnose and improve poor fuel economy in your Audi A4 B8 with this comprehensive guide covering symptoms, diagnostic steps, and repair instructions.

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fuel economy

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How to fix fuel pump failure Audi A4

Learn how to diagnose and repair fuel pump failure in Audi A4 B8 (2008-2015) with this comprehensive guide. Includes symptoms, diagnostic steps, and repair instructions.

Cooling fan not working Audi A4 B8

Learn how to diagnose and repair a non-working cooling fan on your Audi A4 B8 (2008-2015). Follow step-by-step instructions to prevent engine overheating.

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2-3 hoursrepair time

cooling fan

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Thermostat stuck A4 B8

Learn how to diagnose and repair a stuck thermostat on Audi A4 B8 (2008-2015). Includes symptoms, diagnostic steps, and repair instructions.

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Radiator failure Audi A4

Learn how to diagnose and repair radiator failure in Audi A4 B8 (2008-2015). Follow step-by-step instructions to fix overheating and coolant leaks.

Diagnose coolant leak Audi A4

Learn how to diagnose and repair a coolant leak in your Audi A4 B8. Follow these steps to identify symptoms, perform diagnostic tests, and fix common issues.

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3-5 hoursrepair time

cooling system

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Brake fluid leak solution A4

Learn how to diagnose and repair a brake fluid leak in an Audi A4 B8 (2008-2015) with detailed steps and required tools.

How to fix abs light on Audi A4

Learn how to diagnose and fix the ABS light issue on your Audi A4 B8 (2008-2015) with our step-by-step guide, including tools required and diagnostic steps.

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Brake noise Audi A4 B8

Learn how to diagnose and fix brake noise issues on your Audi A4 B8 with this comprehensive guide. Includes symptoms, diagnostic steps, and repair instructions.

Brake pedal soft A4 B8

Learn how to diagnose and fix a soft brake pedal issue on Audi A4 B8 (2008-2015). Follow our detailed guide to ensure your vehicle's braking system is safe and functional.

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brake system

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Dashboard lights flickering Audi A4

Learn how to diagnose and fix flickering dashboard lights in Audi A4 B8 (2008-2015). Follow our step-by-step guide to resolve electrical issues.

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2-3 hoursrepair time

dashboard lights

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Diagnose fuse keeps blowing Audi A4

Learn how to diagnose and repair a recurring fuse blowing issue in your Audi A4 B8 (2008-2015) with this comprehensive guide.

Electrical short circuit solution A4

Learn how to diagnose and repair electrical short circuits in Audi A4 B8 (2008-2015) with detailed steps and required tools.

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3-5 hoursrepair time

electrical system

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How to fix alternator failure Audi A4

Learn how to diagnose and fix alternator failure on your Audi A4 B8 (2008-2015) with our comprehensive guide, including symptoms, diagnostic steps, and tools required.

Battery not charging Audi A4 B8

Learn how to diagnose and repair the battery not charging issue in Audi A4 B8 models (2008-2015). Follow step-by-step instructions to fix the charging system.

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3-4 hoursrepair time

charging system

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Transmission overheating A4 B8

Learn how to diagnose and fix transmission overheating in Audi A4 B8. Follow our step-by-step guide to address symptoms like warning lights, burning smell, and harsh shifting.

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Gear won't engage Audi A4

Learn how to diagnose and fix gear engagement issues in Audi A4 B8 (2008-2015). Follow our step-by-step guide to resolve transmission problems.

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Diagnose transmission fluid leak Audi A4

Learn how to diagnose and repair a transmission fluid leak in an Audi A4 B8 (2008-2015) with detailed steps and required tools.

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3-5 hoursrepair time

transmission

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Hard shifting solution A4

Learn how to diagnose and repair hard shifting issues in Audi A4 B8 (2008-2015) with detailed steps and tools required.

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transmission

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How to fix transmission slipping Audi A4

Learn how to diagnose and fix transmission slipping issues in Audi A4 B8 (2008-2015) with this comprehensive guide. Includes symptoms, tools required, and step-by-step instructions.

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Engine stalling Audi A4 B8

Diagnose and resolve engine stalling issues in Audi A4 B8 models (2008-2015) with this comprehensive guide covering symptoms, potential causes, and repair steps.

Engine won't start A4 B8

Diagnose and resolve no-start issues in Audi A4 B8 (2008-2015) with this comprehensive guide. Follow detailed steps to check battery, starter, ignition, fuel system, and ECM.

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Engine

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Oil consumption high Audi A4

Learn how to diagnose and fix high oil consumption in Audi A4 B8 models, focusing on piston rings and PCV system issues.

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piston rings and PCV system

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Diagnose engine overheating Audi A4

Learn how to diagnose and repair engine overheating issues in Audi A4 B8 models. Follow step-by-step instructions to identify and fix cooling system problems.

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3-5 hoursrepair time

cooling system

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Engine knocking solution A4

Learn how to diagnose and fix engine knocking in an Audi A4 B8. Follow our detailed guide for symptoms, diagnostic steps, and repair instructions.

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How to fix loss of power Audi A4

Learn how to diagnose and fix a loss of power issue in your Audi A4 B8. Follow these detailed steps to address problems in the fuel system, turbocharger, or exhaust system.

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4-6 hoursrepair time

fuel system, turbocharger, exhaust system

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Rough idle Audi A4 B8

Learn how to diagnose and fix a rough idle issue in your Audi A4 B8 with this comprehensive guide, including symptoms, diagnostic steps, and repair instructions.

Engine misfire A4 B8

Learn how to diagnose and repair engine misfire issues in Audi A4 B8 models (2008-2015) with this comprehensive guide, including symptoms, tools, and steps.

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Check engine light on Audi A4

Learn how to diagnose and repair the Check Engine Light on an Audi A4 B8 (2008-2015) with this step-by-step guide, including common error codes and solutions.

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engine

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