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8Y Hatch · Sedan

Audi A3 · Hatch · Sedan · 2020–

Current A3/S3/RS3 with torque-splitter rear axle on the RS.

Production run

2020–now

Engines covered

4

Avg. part price

—

19902026

Interactive systems map

Inspect the 8Y

Tap a hotspot to inspect that system

Systems map

Where it goes wrong

Each numbered hotspot counts the documented failure points in that area. Select one to see the specifics for this chassis and engine.

Failure points by system

Engine5

Cooling1

Intake1

Fuel2

Exhaust1

Documented issues per engine

5

EA888

4

1.4 TSI

5

2.5 TFSI

5

2.0 TDI

Known weak points

What breaks on the 8Y

Gen1/2 oil consumption (piston rings)Diagnose →Timing chain tensioner (Gen2)Diagnose →Timing chain tensioner (early)Diagnose →Water pumpDiagnose →PCV valveDiagnose →Carbon buildup on earlier CEPADiagnose →PD injector loom and cam wear (PD era)Diagnose →DPF cloggingDiagnose →

Guides & playbooks

8Y playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a Audi A3 8Y, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Audi A3 8Y. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Audi A3 8Y that stays reliable as a daily driver.Fault code lookupI have a fault code on my Audi A3 8Y. Walk me through what it means and how to confirm the cause.

Fits your 8Y

Parts & tools

Full catalog & export

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