Ask Honest John

Most recently answered technical issues questions
Can the rear window of a 20 year old Audi Cabriolet E be replaced without a whole new hood being bought?
I am having some problems with the automatic gearbox on my Peugeot 2008. When overtaking the kickdown works ok, but the tiptronic gearbox does not change up again and I have to change up manually. The...
I'm considering installing an in-car camera for my Jeep Cherokee. There seems to be a plethora of such items on the market and I wonder, therefore, whether you can assist in recommending one for my car?
My Audi A6 2.5 TDI takes ages to start. I suspect air in the fuel line. Any ideas where this might get in and any tips on fixing it? I
My Fiat Punto regularly has trouble starting, especially on cold/damp mornings. It makes a sort of metal grinding noise. I have had a new starter motor which hasn't resolved it. I find it is better if...
The engine management light on my 2007 Ford Mondeo 2.0 TDCI came on last week so I took it to an independent garage and they said the code indicated "DPF efficiency" and that they would try some additive....
My Ford C-Max has been making a loud clicking noise when starting. I thought it was the starter motor, but the car starts OK apart from this loud clicking noise coming from the driver's footwell. Any ideas?
I'm a little confused by the new MoT system, I normally drive a new car not needing an MoT, so I'll be going through this for the first time in a while! I'm fairly confident that the car will fail, so...
From my limited research, it seems as if all small automatics with CVT transmissions are classed by their manufacturers as unsuitable for any towing. Is this correct? Are there any type of small automatic...
I have been driving a Skoda Octavia 2.0 TDI for five years and it has been the best car I have ever owned. Now, at 165,000 miles, I am getting the intermittent power drop fault which may be due to variable...