I misfuelled my car - what steps should I take?

I have a 2013 diesel Vauxhall Insignia automatic. I accidentally misfuelled and put in just under five litres of petrol. After speaking to people in the petrol station, I filled up the remainder of the...

Is the air quality inside a diesel car worse than a petrol car?

It is difficult to read any media article at the moment which doesn't demonise diesel engines and their effect on air quality. As a driver of a BMW 320d, bought new in good faith in 2015 (Euro5 compliant),...

Has the emissions fix ruined the DSG in my Volkswagen Touran?

I took my Volkswagen Touran along for the emissions fix last Tuesday. The very next day, the car lost power at 40mph. The same thing occurred the next day and the next. On Saturday I stopped at a roundabout,...

My car went into limp mode with no warning - why has the DPF filled up so fast?

The DPF on my 2009 Jaguar XF was professionally cleaned after going from amber to red. The car had done high mileage (104,000), so I was kind of expecting it. 13,000 miles after the clean, it went straight...

Is there a defeat device in my Porsche Macan as with the Volkswagen EA189 engine?

I have a 2014 Porsche Macan 3.0-litre diesel, bought new. It recorded 42mpg or better on a long run and 39mpg average on short urban runs. Porsche wrote asking for the car to have a software update for...

Should I sell a low mileage diesel or hang on to it?

I bought a new 2013 Audi A3 which has apparently not been affected by the emissions problem. I had intended to do 20,000 miles per year, but my personal circumstances changed and I have only done 20,000...

The EGR valve in my Golf Plus is faulty - should I have the emissions fix anyway?

My Volkswagen dealer has advised against carrying out the emissions software update on my Golf Plus because they say there is a fault in the exhaust gas recirculation valve. The car drives fine and no...

Should I buy my new diesel Audi Q5 on PCP to avoid a possibly much lower resale value?

I intend to buy a new Audi Q5 diesel. Due to the government's latest thinking about diesel cars, and the possibility of losing 15 - 20 per cent when the time comes to sell after three years, would PCP...

Is there a known issue with blocked injectors in the Citroen DS4?

I have a 2011 Citroen DS4, purchased two years ago. Since January, the engine light keeps coming on and the car will go into limp mode. I had the emissions filter 'fixed' in January by the dealer from...

What four door saloon should I get to use as a taxi?

I want to buy a Skoda Octavia for a taxi. I'm looking at the DSG in the 1.6 TDI or 2.0 TDI. Which would you recommend in terms of reliability as I would be covering in excess of 20,000 miles per year (mainly...