🔧 Car Fault Reports

Real fixes from real drivers. Browse community-verified fault reports across all makes and models.

This is the master list of every individual fault case on MyCarFault — the same reports you'll find linked from make and model pages, but searchable and filterable in one place. Each entry links to a full case page with owner-reported symptoms, repair attempts that worked (and didn't), confirmed costs, and a community-verified fix rate where enough data exists.

Results are ranked by views and vote count, so the cases other drivers have found most useful surface first.

⚡ Quick Summary — Audi

391

Matching Reports

0 / 30

Solved on This Page

37

Makes Covered

📖 How to Use This Page

Use the Make and Status filters below to narrow results to your vehicle or to solved-only cases.
The 🟢 / 🟡 / ❌ badges show whether a case has a confirmed fix, a partial fix, or is still unsolved.
Severity tags (🔴 Critical, 🟠 High) flag faults that affect safety or drivability — check these first if your car is showing the same symptom.
If you can't find your exact issue here, try browsing by symptom instead — useful when you don't yet know the technical cause.

Browse by Make & Model

Start from your specific vehicle instead of the full fault list.

Browse by Symptom

Find faults by what your car is doing, not the technical name.

Step-by-step DIY and workshop instructions by system.

Don't see your issue? Add it and help the next owner.

Total faults: 391

Filtered by: audi

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Audi TT Mk3 8S 2.0 TFSI Quattro Haldex Service

Audi ❌ Unsolved 👁 6

Audi A3 8Y 40 TFSI e-tron PHEV Annual Battery Check

Audi ❌ Unsolved 👁 6

Audi A4 B9 Brake Vacuum Pump Failure — Diesel

Audi 🟠 High ❌ Unsolved 👁 6

Audi A3 8P 2.0 TFSI FSI HPFP Cam Follower Check

Audi 🟠 High ❌ Unsolved 👁 6

Audi A6 C6 Rear Air Suspension Bag Leak

Audi ❌ Unsolved 👁 6

Audi A8 D5 55 TFSI 3.0 Mild Hybrid 48V Battery Fault

Audi ❌ Unsolved 👁 5

Audi A7 C8 55 TFSI V6 Water Pump Failure

Audi 🟠 High ❌ Unsolved 👁 5

Audi e-tron GT RS Carbon Build-Up Intake

Audi ❌ Unsolved 👁 5

Audi TT Mk1 8N 1.8T Long Term Reliability Guide

Audi ❌ Unsolved 👁 5

Audi RS Q8 4M 4.0 TFSI V8 MHEV 48V Battery Check

Audi ❌ Unsolved 👁 5

Audi A8 D3 Hydraulic Engine Mount Collapse

Audi ❌ Unsolved 👁 5

Audi A4 1.8T Head Gasket Failure Symptoms

Audi 🟠 High ❌ Unsolved 👁 5

Audi RS5 B9 2.9 TFSI Biturbo Carbon Intake Valves

Audi ❌ Unsolved 👁 5

Audi A4 B6 1.9 TDI Long Term Diesel Estate Guide

Audi ❌ Unsolved 👁 5

Audi Q2 GA 30 TDI EGR DPF Combined Urban Service

Audi ❌ Unsolved 👁 5

Audi A4 B5 1.8T Long Term Classic Petrol Guide

Audi ❌ Unsolved 👁 5

Audi e-tron 55 quattro GE Annual Battery Health Guide

Audi ❌ Unsolved 👁 5

Audi A6 C7 3.0 TFSI Water Pump Failure

Audi 🟠 High ❌ Unsolved 👁 5

Audi A4 B9 2.0 TFSI gen3 Water Pump Service

Audi 🟠 High ❌ Unsolved 👁 4

Audi Q5 FY 45 TFSI quattro Transfer Case Service

Audi ❌ Unsolved 👁 4

Audi A1 8X Sportback 1.4 TFSI DSG High Mileage

Audi ❌ Unsolved 👁 4

Audi S4 B8 B9 3.0 TFSI Supercharger Belt Failure

Audi 🟠 High ❌ Unsolved 👁 4

Audi A4 Avant B9 40 TDI Quattro High Mileage Guide

Audi ❌ Unsolved 👁 4

Audi A4 2.0 TFSI Timing Chain Tensioner Tick — EA888

Audi 🟠 High ❌ Unsolved 👁 4

Audi A4 Oil Pressure Sensor Fault P0520

Audi 🟠 High ❌ Unsolved 👁 4

Audi A4 B9 40 TFSI 45 TFSI Carbon Intake Valve Build-Up

Audi ❌ Unsolved 👁 4

Audi Q2 GA 35 TFSI 1.5 TSI EVO Carbon Intake Valves

Audi ❌ Unsolved 👁 4

Audi A4 B9 Virtual Cockpit Screen Fault

Audi ❌ Unsolved 👁 4

Audi A5 B9 Cabriolet 40 TFSI Roof Hydraulic Seal Leak

Audi ❌ Unsolved 👁 3

Audi VW DSG Fluid Service Neglect — Shudder

Audi ❌ Unsolved 👁 3

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❓ Frequently Asked Questions

What counts as a "Solved" fault?

A case is marked solved once at least one repair attempt linked to it has a high enough confirmed fix rate from driver votes and, where available, mechanic verification. "Partial" means some drivers report it helped without fully resolving the issue.
Why are reports ranked by views rather than date?

Views and votes are a better signal of which cases are actually helping people with the same problem right now. New reports still appear immediately on their own case page and in make/model listings — they simply need to accumulate engagement to rise on this combined list.
Can I see fault reports for a specific year of my car?

Yes — open your make and model from the Browse by Make & Model page, where each model's fault list can be filtered by year.
My fault isn't listed here — what should I do?

Use Report a Fault to add it. New reports help other owners with the same vehicle, and you can also flag any repair that turned out to be a wrong diagnosis.

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