Ask Honest John

Most recently answered technical issues questions
I have a Vauxhall Vectra 150 design CDTI that is smoking a lot. There's also a smell of rubber burning, along with a rattle from the front left hand side of engine. Any idea what could be wrong?
The engine light has come on my 2003 Vauxhall Zafira. I’ve done a pedal test and got the following fault codes: 1540, 0110, 0100, 0704. Any idea what they mean?
My 1998 Vauxhall Astra 1.6 petrol has started making strange engine noises yesterday. It sounds like an exhaust blow and rattle under 2000rpm, but cleared after acceleration. I pulled over and switched...
The ESP and ABS lights are illuminated on my Volkswagen Golf. Will this stop it passing the MoT? I've taken it to my local dealer and they've quoted me £1000 to fix it.
I am looking at buying a high mileage 2010 BMW 320d touring E91 with N47 engine. Is this a good car to buy? I’m a bit concerned as the internet seems to be full of complains about broken timing chains...
Last night the temperature gauge on my nine year old Volkswagen Golf failed. The problem corrected itself after 10 miles, but I’m worried there might be a serious problem. Can you help?
I bought a used BMW 3 Series convertible in February and have had continuous issues with water ingress. I took it back to the dealer, who ‘fixed’ it with large amounts of black sealant, which are clearly...
My elderly father bought a 2004 Renault Kangoo three months ago from a dealer. As part of the deal, he got three months warranty, but has had lots of problems with the car. Recently, the airbag light...
My 2003 Volkswagen Passat 2.0-litre petrol has started misfiring and running poorly. Can you tell me why this is?
Does the 2003 Honda Civic 1.7 CDTI have a dual mass flywheel?