Ask Honest John

Most recently answered maintenance and servicing questions
I recently purchased a 2006 Volkswagen Crafter from a dealer with 161,000 miles on clock. I had it a couple of weeks but I'm now having issues with blue smoke - mainly going up or down hills or sudden...
I have owned a BMW M140i from new, the car is nine months old and has suffered persistent problems with the air conditioning. The local dealership has failed to fix them, so I took the car to the supplying...
I want my 207,000 mile 2007 Vectra 1.9 diesel to keep going for a while. I asked the main dealer to change the cam belt and give a full service, put a new fan belt on (it's on the original), grease the...
I'm having battery charge problems with my Rover 75 CDTi. I get dashboard warnings that all go away when you charge the battery, but return twenty miles afterwards.
The engine of my Peugeot 306 my will suddenly cut out for about five seconds when I drive it 20 kilometres. So far, I've changed the petrol high pressure pump and the ignition coil but the problem is still...
Could point me in the right direction to locate the evaporative purge control valve on my 2008 Vauxhall Zafira 1.6 please?
I can hear an intermittent ticking after using my 2000 Daewoo Lanos. It carries on after locking the car and has gone on for at least 12 hours.
My Audi Q3 140 TDI is four and a half years old, with a full five year Audi warranty. It has developed a low clatter, at about 2000rpm and noticeable particularly when the engine isn't up to full temperature,...
I've just bought a used Porsche 911 Turbo and the front tyres are the originals by the look of them. They've got plenty of tread left, as they've only done 8000 miles, but they're probably seven or eight...
I have recently bought a 1985 Pininfarina Spider Europa (Fiat 124). It is in good condition but I am currently refurbishing neglected areas. The catalytic converter has been removed by a previous owner...