Ask Honest John

Most recently answered diesel engines questions
Since my Audi A3 had it's emissions fix it has had problems with the engine management system light flashing intermittently and the engine losing power. I've taken it to the Audi garage today and they're...
I currently drive a 2007 diesel Hyundai Tucson auto. It's done 190,000 miles and is in need of replacing. I do about 25,000 miles a year, mostly country roads and motorways, and want something with good...
What's the difference between the Ford Kuga 1.5 EcoBoost and the 2.0 diesel?
My 2005 Ford Mondeo 2.0 TDCi has done 147,000 miles. It had a previous issue where the glow plug light would flash and it would go into limp mode. I read various posts on here and it seemed that the arm...
I purchased a 2012 Volkswagen Golf 2.0 TDI Bluemotion that had done 44,000 miles from a Volkswagen used car dealer. Within the first month, I noticed that the interior light and windscreen washer weren't...
What's the fuel economy of a diesel Hyundai iLoad with a light load?
Does my six year old diesel BMW (which runs pretty smoothly) have any future at all? Or would you advise me to look for a non-diesel car?
I'm about to change my Nissan Qashqai Acenta diesel for something similar, but I'm concerned about getting another diesel with all the current issues surrounding diesel cars. Am I worrying unnecessarily?...
Should I have the update to my Audi A4 2.0 and, if so, why? I can see no benefit for me and only risk that it causes a future problem that Audi disown. I've refused the update so far.
I'm experiencing a lot less mpg, more noise, more DPF regeneration and less power since my car had the emissions update in August 2016. If you are in touch with Volkswagen engineers in Germany, can you...
 

Value my car