Question 1

What is Multitronic CVT Failure on the Audi Audi A4 Mk2 (B6)?

Accepted Answer

The CVT can judder, flare or lose drive entirely. It is generally less reliable than the Tiptronic or manual alternatives.

Question 2

What is 1.8T Timing Belt / Water Pump Failure on the Audi Audi A4 Mk2 (B6)?

Accepted Answer

The 1.8T engine uses a timing belt that can fail if intervals are not maintained, destroying the engine. The plastic water pump impeller can also strip.

Question 3

What is Oil Sludge Buildup on the Audi Audi A4 Mk2 (B6)?

Accepted Answer

The 1.8T engine is prone to oil sludge if servicing has been neglected, blocking the oil pickup and starving the engine of lubrication.

Question 4

What is Door Wiring Loom Fracture on the Audi Audi A4 Mk2 (B6)?

Accepted Answer

Wires in the door rubber boot fatigue and break over time, causing central locking, window and mirror failures on the driver or passenger side.

Question 5

What is Ignition Coil Pack Misfire on the Audi Audi A4 Mk2 (B6)?

Accepted Answer

Coil packs deteriorate with age causing misfires and rough running, a common issue across VW Group petrol engines.

Question 6

What should I check when buying a used Audi Audi A4 Mk2 (B6)?

Accepted Answer

Avoid Multitronic CVT cars without a perfect service history

Question 7

What should I check when buying a used Audi Audi A4 Mk2 (B6)?

Accepted Answer

Check the plenum chamber (under the battery) for water; blocked drains can fry the ECU

Question 8

What should I check when buying a used Audi Audi A4 Mk2 (B6)?

Accepted Answer

Test all electric windows and door locks

Question 9

What years was the Audi Audi A4 Mk2 (B6) made?

Accepted Answer

The Audi Audi A4 Mk2 (B6) was produced from 2001 to 2005.

Audi Audi A4 Mk2 (B6)

Audi A4 Mk2 (B6) Reliability & Common Faults

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