2009 Audi A4 (B8 8K) — Repair Solution

2.0L CDNB 4cyl 16v DOHC VVT Turbo Direct Inj Petrol Auto · Poor Performance · Engine

Audi A4 (B8 8K) Poor Performance Engine Diagnostic Sequence Available

Vehicle Details

Make: Audi
Model: A4 (B8 8K)
Year: 2009
Engine: 2.0L CDNB 4cyl 16v DOHC VVT Turbo Direct Inj Petrol Auto
Kilometres: 205,000
Area: Engine
Category: Poor Performance

Customer Complaint

Once the engine starts to warm up it will start to stutter and behave like it is misfiring and surging with a very unstable engine idle speed.

Problem Summary

Timing chains, idlers and tensioners were replaced and now the engine is running rough. After the chains were replaced upon a test start, it was reported the timing chain "jumped a tooth".

Diagnostic Sequence

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Fault Description

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Verified Repair Solution

The confirmed repair procedure for this 2009 Audi A4 (B8 8K) is available to TaT members. Includes the verified fix and technician tips.

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Quick Facts

CodeAUDB809123
Vehicle2009 Audi A4 (B8 8K)
Engine2.0L CDNB 4cyl 16v DOHC VVT Turbo Direct Inj Petrol Auto
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

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