Vectra diesel feels as though it is running on three cylinders

Bio have a 53 plate Vectra CDTI. It seems to feel as if it is running on three cylinders, but seems to clear when you put your foot down. There are no fault codes when plugged in and the chap that plugged...

Buying a used medium sized diesel - what would you recommend?

I am looking to buy a medium sized diesel without DPF. After reading too many internet forums I am now unable to decide what to plump for given that there seems to be so many diesels that have expensive...

Dealer misfueled a diesel car - do I accept it back?

I collected my new VW Scirocco (2.0 TDI GT DSG - 170bhp- 2010 plate) from a dealer on Friday. We had a 100 mile journey back home and the car seemed to perform very well. After parking the car outside...

How long does it take to clear a DPF?

Judging by the times Diesel Particulate Filters are mentioned in your columns, your mailbox must clog up with them. My question involves the distance one needs to travel before the DPF sorts itself out....

Which economical, comfortable car for high mileages?

I'm looking at spending about £8000 on a car to replace my now tired 200,000-mile Focus. Since I'm doing over 30,000 pa, it needs to be both economical and comfortable on a long drive (120 miles a day)....

How can I add fuel additive to my Ford Focus when it has a misfuelling prevention device fitted?

I have a problem with my 2011 Ford Focus 1.6TDCI (old model). When first purchased it gave me 54mpg. 14 months later it has now reduced to 47mpg with the same sort of driving pattern. I have tried to add...

Am I likely to face any major problems in my Audi A6 quattro?

My job requires me to drive around 25,000 miles pa, mostly on long, dull motorway trips. I am currently using a 2008 Audi A6 3.0 TDI Auto Quattro Avant. Can you please advise what, if any, problems I might...

Qashqai diesel poor idle control

About a year ago idle control became very poor on my 2007 Nissan Qashqai. When engine and/or air temperature are cold, idle falls to around 500rpm when the clutch is dipped at junctions or in traffic,...

Running a diesel car - Should I replace now?

I have a 3 year old Mondeo 2.0 TDCI with 65,000 miles on the clock. I do around 18,000 miles per year and have a 40 mile round trip for work each day. It runs as new and has had no problems while I've...

Should we use diesel additive in our engine to keep it in good condition?

We are focusing on news regarding fuel additives for use in diesel engines. With diesel cars now over 50 per cent market share in the UK, and very significant numbers in use, there's a valid story concerning...