Ask Honest John

Most recently answered adblue questions
I have a Skoda with AdBlue. It has been showing 5500 miles till it needs to be refilled. Currently, the car has covered just over 500 miles, but it's still showing 5500 miles on the AdBlue. Does the counter...
Can AdBlue cause ant problems?
I've accidentally put AdBlue in my diesel tank, which seems to be a really bad thing (possibly worse than petrol in a diesel car). Why do Renault put the filling caps so close together? It's a fundamental...
I do 15,000 miles per year and almost never do less than 30-mile round trips. I would like a diesel but think I'm on the cusp mileage wise. What do you recommend?
SEAT contacted me after one year of ownership about the annual service on my 2.0-litre diesel Alhambra. However, now they say that my car did not need a service until it was two years old. This incompetence...
I'm looking to buy a diesel car, most likely from 2014. What is considered high mileage for these? It will most likely be a BMW or Audi, which are usually ex-fleet cars. Do you recommend buying a high...
I'm considering a current model Citroen C4 Picasso with EAT6 gearbox, but I'm worried about the future for diesels. Would I be wrong to think that AdBlue engines are likely to be treated much more leniently...
I'm undecided whether to buy a petrol Jaguar F-Pace 2.5 T R-Sport or a 2.0 diesel AWD180 auto (which we have tried and is adequate). The 2.5 petrol is £3130 list more than the 2.0d. The petrol has urban...
What is the best petrol engine concerning resale value and longevity? I'm looking to get something used, about the size of the Skoda Yeti. I'll be driving long distances and a diesel seems the best option...
I want to buy a secondhand (nearly new, maximum 12 months old) Ford Mondeo Estate. I'm not sure whether to go for petrol or diesel. Annual mileage is approximately 30,000, which would suggest diesel, but...
 

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