Ask Honest John

Most recently answered technical issues questions
There's a strong smell of diesel in my 2010 Nissan Qashqai after ignition, is there a specific reason for this
Can you tell me if stop/start systems are bad for engine life? I’ve been told they contribute to the early failure of turbos and I can’t imagine that the amount of fuel saved will pay for a replacement....
I've just purchased a Nissan Primera with 39,500 miles on the clock. I’ve noticed the steering is very heavy, especially when turning. What can be done to rectify this?
I have recently purchased a BMW 118d cabriolet on sensible 16-inch wheels with 205 55 16 tyres. These are not run flats but I do not trust the tyre repair and inflation kit to work and know that you have...
Would you recommend a mid-service mileage oil and filter change for the Mitsubishi ASX diesel engine at 4500 miles?
Can you tell me when I should replace the cam belt on my Audi TT? The dealership are advising it needs changing now as it is five years old - is this correct?
I own a 2000 Vauxhall Corsa. Do you know if Vauxhall has ever admitted to a water ingress build fault with this model? I bought my car last year and have noticed that water has started to leak into the...
My 2003 Volkswagen Passat Estate is suffering from air con problems. It refuses to cool, even after a gas top up. Any suggestions?
Can you tell me why the emission light keeps switching on my 2004 Volkswagen Golf?
My wife’s Peugeot 207 CC has started making a terrible rattle from the rear when the roof is up. We took it to the local dealership for inspection and they put some sound proofing in, but the fault persists....