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8P Hatch · Sportback · Cabrio
Audi A3 · Hatch · Sportback · Cabrio · 2003–2012
The 8P S3 brought the 2.0 TFSI and Haldex quattro to the hatch.
Production run
2003–2012
Engines covered
5
Avg. part price
—
19902026
Interactive systems map
Inspect the 8P
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
Engine7
Intake2
Fuel3
Exhaust1
Documented issues per engine
51.8T
52.0T FSI
4EA113
5EA888
52.0 TDI
Known weak points
What breaks on the 8P
Timing belt interval is criticalDiagnose →Oil sludge on neglected 1.8T (small oil pickup)Diagnose →Cam follower wear on the HPFPDiagnose →Diverter valve failureDiagnose →HPFP cam followerDiagnose →Carbon buildupDiagnose →Gen1/2 oil consumption (piston rings)Diagnose →Timing chain tensioner (Gen2)Diagnose →PD injector loom and cam wear (PD era)Diagnose →DPF cloggingDiagnose →
Guides & playbooks
8P playbooks
Maintenance scheduleGive me a mileage-based maintenance schedule for a Audi A3 8P, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Audi A3 8P. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Audi A3 8P that stays reliable as a daily driver.Fault code lookupI have a fault code on my Audi A3 8P. Walk me through what it means and how to confirm the cause.
Fits your 8P
Parts & tools
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