Ask Honest John

Most recently answered technical issues questions
I need some new tyres for my BMW 530d GT. It is currently fitted with 245/45/R19 front and 275/40/R19 rear. These need replacing soon and I am thinking of fitting BMW recommended 245/50/R18's front and...
I'm need new tyres for my three year old Jeep Compass, but am not sure what tyres to fit. The size is 215/55/18 V95, currently on original Continentals, would it be better to change? I'd like a quiet...
I took my 12 month old Kia Sorrento back to the garage for my 12 month service. AS well as the service, the dealer was going to fix the cigarette lighter, phone charger, USB and accessory plug which had...
The windows on my 2012 MINI Cooper stopped working yesterday. However, after 90 minutes they started working again. This has never happened before. Can you offer any explanation?
I took delivery of a new Audi Q5 15 months ago; however, due to persistent problems with the driver's seat, the car was eventually replaced - I had to pay additional cost to cover wear and tear. The...
I've recently had the PAS red-warning light appear on the dash of my 2009 Skoda Octavia. Since then the steering has become unbelievably heavy. I called the AA and they diagnosed a fault in the control...
I have a Mercedes-Benz E320 - I noticed the temperature stays round 50c on motorways and goes up to 70C in traffic, I was told thermostat needs replacing as it might be stuck open. My question is do I...
We bought a 2006 Ford C-Max 1.6 2006 three years ago for £5000. Sadly the turbo has failed for the third time! It was only replaced two months ago so we cannot face it happening again and want to replace...
Where can I find the ECU on the Suzuki Alto (2005 model) 1.1 GL?
Can I expect Vauxhall to pay anything towards replacing the coil on my Meriva which has failed after 40,000 miles and four years?