Ask Honest John

Most recently answered adblue questions
My wife and I have a young and growing family. Our 2009 Audi A3 Hatchback 1.9 TDI is now creaking at the seams and we're looking for a secondhand practical vehicle. It needs to be capable of carrying up...
The 2014 Volkswagen Sharan 2.0 TDI fix is now available and the letter says there will be increased AdBlue use and 5 free refills will be offered. I phoned Volkswagen and pressed them for more info, they...
My 2014 SEAT Alhambra has had a problem with the AdBlue warning light coming on regularly. Each time a warning said 'fill before 600 miles', I filled it. Even though it was completely full I got an orange...
I have a 2015 Peugeot 308 BlueHDi and my wife is about to order a MINI Clubman D. Both currently have £20 annual tax but what will be the move to increase both tax and area restrictions on low emission...
I have a Jaguar XF 3.0-litre diesel and I'm thinking of changing to an XE. However, with all the bad press that diesel is getting would you advise me to have the petrol engine? Are the modern diesel particulate...
I have a 2014 BMW 530d, and it is EURO6 compliant but does NOT have the Ad blue tank. Yet my previous Audi A7 V6 diesel and other Audi 3.0 litre diesels had this technology. How is it that BMW achieve...
I'm thinking about buying a new Audi A3 Sportback TDI. Not yet decided if it will be the 1.6TDI or 2.0TDI. Do either of these engines require the uses of AdBlue? Are there any reliability issues associated...
My BMW X5 is equiped with an AdBlue tank. I have only done 5000 miles in three months and the indication message has come on to refill the AdBlue tank. This seems like a very high usage ? Can you refill...
In the recent news regarding Volkswagen's scandal for Euro 6 emissions, I've come to realise that Adblue is normally required for the reduction of NOx levels. The larger Ford engines use Adblue as do all...
I have a 2015 CLS 350 CDI. My concern is the DPF having read your column for a while. Even at speeds beyond legal limits, with the nine speed gearbox, it barely revs beyond 1750 rpm. As most of my mileage...
 

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