Our Audi A4 is developing a DPF fault - how can I repair it?

My partner drives a 2006 Audi A4 2.0-litre diesel and the DPF light is now appearing on every weekend. The light very rarely appeared on whilst it was under warranty and the first time it did after the...

Why is my Audi A4 juddering when cold?

I bought a 2007 Audi A4 TDI ten months ago with 25,000 on the clock and a 12-month Audi warranty. When setting off in first gear it intermittently judders, particularly when the engine is cold and on hill...

Oil pump drive & turbo charger

I have owned a 56 plate Audi for 10 months. Unfortunately a lady crashed into the car when stationery (on the 6th June 2012) and this resulted in car requiring repairs to the front passenger side bumper...

Who is liable for fault on my Audi A4?

I bought an Audi A4 on 02/11/2011 from Midlands Motors in Birmingham. There was a 2 year external warranty offered. Approx 1 month & 400 miles ago the ABS & the Traction Control lights came on. I rang...

When is a recall actually a Technical Service Bulletin?

When is a recall not a recall? In December my 2005 Audi A4 SE suddenly started running badly so I limped into a local garage which subsequently diagnosed an ignition coil fault and replaced it the next...

Correct oil for Audi A4 Avant 2.0 TDI

I need to buy oil to top up my 2005 Audi A4 Avant 2.0TDI S line. The handbook is confusing, as it seems that I need a different grade of oil if my car has a DPF, but there is no explanation as to whether...

Should I sell my diesel Audi A4 now before problems arise?

I have an Audi A4 Avant S line quattro TDI 2.0 litre diesel (170PS motor) with a BRD series engine. I purchased the car new in 2006 and have now done 52,000 miles with only one breakdown due to a faulty...

High performance car, high performance fuel.

I am purchasing an Audi S4 2005 model - will the car run on standard unleaded or should/must I use super unleaded or V-Power? If I have an option will I get more mpg with the higher octane petrol? Are...

What are the potential problems of my A4?

I currently run an Audi A4 2.0 TDi 140 S-Line Avant 2007 with 45,000 miles which has been trouble free, other than a surprising thirst for oil. After reading many of your recent articles where you suggest...

Which Audi A4 diesel engine?

I'm looking to buy a an Audi A4 S-line (B7). Is it best to go for the 1.9 TDI or the 2.0 TDI? I've noticed you can get both engines on the B7. I've read comments on problems with the 2.0 TDI, but not...