Ask Honest John

Most recently answered diesel engines questions
I am an elderly driver looking for a new car and am considering either a Volkswagen Beetle Cabrio or Eos. I have £11,000 to spend, but not much else if things go wrong. Which would you say is the most...
I have a 2009 Mk VI Volkswagen Golf 2.0 TDI SE 110. It has over 70,000 miles on the clock and as I do a fairly high annual mileage I want to replace what has been an ideal car. I am looking at new or nearly...
I am looking at buying a high mileage 2010 BMW 320d touring E91 with N47 engine. Is this a good car to buy? I’m a bit concerned as the internet seems to be full of complains about broken timing chains...
I am looking to buy old diesel estate, that’s around eight to ten years old. I know all will have some issues, but I'm on a tight budget. I have whittled my list down to a Volkswagen Passat 1.9, a Honda...
I have a 2007 Ford Mondeo 1.8 TDCI Titanium X estate. It was my company lease car, which I bought a year ago on leaving the firm for £2500. It has 114,000 miles on the clock, but the engine has been smoky...
I have been worried about replacing my 2006 Land Rover Discovery 3, which I believe doesn’t have a DPF. I want to buy a newer Discovery, but am fearful that my short journey to work (four miles) will cause...
My 2012 Audi TT started to leak exhaust gasses in to the engine bay/cabin after just nine months of ownership. After seven months and numerous visits to my dealer, the problem persists. Is there a known...
I'm looking at purchasing a used Volvo XC90 (diesel) but don't want one with a DPF. I'm also unsure about the engine size - is the V8 worth the extra money or is the D5 sufficient?
I am in the market for a used Ford Mondeo, but want to get the best value for money. I have just looked at a 2010 Titanium X with a 2.0 TDCi diesel engine. The Ford dealer wants £13,450 – is this a good...
I'm on my third Mazda3 1.6D and was looking forward to buying the newest model. However, without a 1.6 diesel in the new range, and the 2.2D Skyactiv being too large for my needs, I am not sure what to...