Ask Honest John

Most recently answered diesel cars questions
We have a Toyota Avensis Estate diesel which was bought new in May 2014. We followed the then-Government's advice to buy a diesel car. We assume the car has no resale value so would you advise us to change...
After repeated short drives in a diesel does DPF regeneration make a noise and raise the engine rpm?
I generally buy a used car with around 20k miles and run it for 6/7 years before replacing. At the moment I'm looking at buying a Mercedes E220d estate for around £20k. Is this a really bad idea? The general...
I owned an Evoque that had issues with the DPF. But when a diesel flags up that the DPF needs a regen, how long time or distance wise do you have to get it on a motorway/dual carriageway before the fuel...
I have recently bought a BMW X2 20d which has an AdBlue system. Can you tell me the average consumption rate I might expect to get for this AdBlue (the main dealer I bought the car from says it depends...
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...
My Peugeot 407 2.0 HDi won't start in the mornings. If I roll it down a hill it will start and it starts any time when warm. Any ideas?
I have just bought a 1.5-litre diesel Dacia Logan MCV. It's my first diesel car. I bought it over petrol this time as I'm driving further to work and it offered better MPG. What I want to know is how to...
I'd like to buy a used diesel family car within the £3000 limit. I need it for commuting so needs to be good on fuel? Any ideas and what mileage is best for the age?
Will it cost more to own a used diesel car?
 

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