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Abnormal vibrations or unstable idle on Audi: causes by model

In 32 models from Audi there are 13 documented faults that cause this symptom (vibrations). The most important: timing chain stretch and tensioner failure (EA111), piston breakage and oil consumption in the 1.4 TSI twincharger and timing chain stretch and tensioner wear.

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Documented faults, from most to least important

Severity × frequency. Below each one, the Audi models it appears in.

  1. In A1 I and A3 II

  2. In A1 I and A3 II

  3. In A4 B7, A4 B8, A4 B9, A5 I, A5 II and A6 C6 and 12 more models

  5. In A3 II, A3 III, TT I, TT II and TT III

  6. In A3 I and A6 C5

  7. In A6 C6 and A8 D3

  10. In A3 II, A3 III, TT I, TT II and TT III

  11. In A1 II, A3 III, A3 IV, Q2 and Q3 II

  12. In A3 II, A3 III, A3 IV, A4 B8, A4 B9 and A5 I and 6 more models

  13. In A1 I, A1 II, A3 III, A3 IV, Q2 and Q3 II

By Audi model

Open yours to see only the faults that affect it, by engine and by year.

Engines and gearboxes involved

Frequently asked questions

Vibrations in a Audi: what could it be?

In 32 models from Audi there are 13 documented faults that cause this symptom (vibrations). The most important: timing chain stretch and tensioner failure (EA111), piston breakage and oil consumption in the 1.4 TSI twincharger and timing chain stretch and tensioner wear. Each fault has its own page with the affected years and versions, the cause and how to check for it.

Which Audi models have the most faults with this symptom?

Audi A3 II (6 faults), Audi A3 III (5 faults), Audi TT II (3 faults) and Audi A1 I (3 faults).

Which Audi engines cause it?

1.0 TSI / 1.5 TSI (2 faults), 1.2 and 1.4 TSI (2 faults), DSG6 DQ250 (2 faults), 1.9 TDI (1 fault) and 2.0 TSI / TFSI (1 fault).