Ask Honest John

Most recently answered diesel engines questions
I am considering a nearly new Audi A6 Ultra 2.0 TDI. I believe these have new engines.How do they stand with the usual ideals with DPFs and 3 year+ old diesel problems?
I am looking to buy a second hand diesel estate to replace my Volvo V50. I am looking for something that’s four years old or less, with 45,000 miles on the clock. Ideally, the car will have leather seats...
My 2008 Volkswagen Golf diesel dropped a rod last week and cannot be repaired. Can you recommend an engine re-manufacturer/installer?
I have a 2002 Chrysler Voyager with a 2.5 diesel engine. However, the car won't start and there's a red light on the dashboard. Any ideas?
I own a 2005 Ford Fiesta 1.4 diesel and it has started blowing lots of smoke from the exhaust. It is also using a lot of oil to the point of there being nothing on the dipstick. Can you help?
We bought a 2009 Mazda 6 in September 2013. It broke down recently, with complete engine failure. The cause is unknown, but the oil and filter are suspected and cost of repair is approx. £6000. The garage...
I am considering buying a Mercedes-Benz CLA, is the 220d worth the extra over the 200d. I do circa 20,000 miles per year and the base spec seems enough for my needs, but do you recommend any extras?
I´m looking to buy a diesel estate on a budget of around £3000. What do you recommend?
In 2013 the engine on my 2007 Mercedes-Benz Sprinter seized and the van was recovered to my local garage. The garage said the seizure was due to the fleece filter within the engine being blocked, which...
I have £3500 to spend on a diesel estate. I’m not worried about age, but need something reliable and without a DPF. What do you recommend?