Question 1

What is Excessive Oil Consumption (EA888 Gen 2) on the Audi Audi A4 Mk4 (B8)?

Accepted Answer

Faulty piston rings on early EA888 engines (CDNB, CDNC codes) cause severe oil burning as carbon blocks the thin oil control rings.

Question 2

What is Water Pump / Thermostat Housing Leak on the Audi Audi A4 Mk4 (B8)?

Accepted Answer

The plastic water pump and thermostat housing warp and leak coolant, a well-known weakness across the EA888 range. Some cars fail twice before 100k miles.

Question 3

What is Multitronic CVT Failure on the Audi Audi A4 Mk4 (B8)?

Accepted Answer

Front-wheel-drive automatics use the Multitronic CVT which can judder, flare or lose drive if fluid changes were skipped or the control unit fails.

Question 4

What is Timing Chain Tensioner Failure on the Audi Audi A4 Mk4 (B8)?

Accepted Answer

Pre-2013 EA888 Gen 1 and Gen 2 engines have a plastic timing chain tensioner that can fail, causing chain slack and potential engine destruction.

Question 5

What is Electric Steering Lock Failure on the Audi Audi A4 Mk4 (B8)?

Accepted Answer

The electronic steering column lock (ELV) module can fail, preventing the car from starting or unlocking the steering. A known weak point on B8 cars.

Question 6

What should I check when buying a used Audi Audi A4 Mk4 (B8)?

Accepted Answer

CRITICAL: monitor the oil level on pre-2012 2.0 TFSI cars and expect proof of piston-ring work

Question 7

What should I check when buying a used Audi Audi A4 Mk4 (B8)?

Accepted Answer

Listen for timing-chain rattle on petrol models after an overnight rest

Question 8

What should I check when buying a used Audi Audi A4 Mk4 (B8)?

Accepted Answer

Check steering weight and self-centering carefully

Question 9

What years was the Audi Audi A4 Mk4 (B8) made?

Accepted Answer

The Audi Audi A4 Mk4 (B8) was produced from 2008 to 2016.

Audi Audi A4 Mk4 (B8)

Audi A4 Mk4 (B8) Reliability & Common Faults

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