Ask Honest John

Most recently answered maintenance and servicing questions
I have a 2011 Citroen DS4, purchased two years ago. Since January, the engine light keeps coming on and the car will go into limp mode. I had the emissions filter 'fixed' in January by the dealer from...
I'm considering using the waterless coolant, as featured in the TR6 episode with Ed China, on my Jaguar E-Type Series 2. Also the ceramic coating on the exhaust manifold and a professional carbon clean....
I bought an Alpha Romeo from a dealer in March. The wheel bearing and rear boot went within two weeks and now the turbo is faulty. I have a two year warranty but they are squirming about paying by trying...
Can I use an independent garage to service my car and maintain the manufacturer's warranty?
My car is a 2005 Mercedes-Benz SLK 350 7G-Tronic automatic. It has covered 68,000 miles and has been well looked after and serviced regularly. I've had it two years and, after about three months, I found...
I have a 2006 BMW X3 2.0d sport, bought through finance. I've had it since 2014, but since the DPF issue I seldom use it. In the first quarter of 2015, I used it on a long run but noticed an intermittent...
I own a 2004 Skoda Fabia 1.4 and I drive about 3000 miles per year. For the last three years the engine management light has stayed on, fault showing as EGR valve. This has happened three times and been...
I bought my 2011 Volkswagen Polo 1.2 TSI in June 2016 and noticed this week that the oil level as been going down and the light came on. I took it to an independent Volkswagen specialist who told me that...
Since retiring, I use my car a lot less. When I went to have my two year old Toyota Yaris serviced at the main dealer, I was told the brake pads had rusted and scored the disc.The car has only done 3000...
I have a 2015 Renault Clio with approx 18 months warranty remaining. I've had persistent trouble with the tyre sensors malfunctioning and have had three new tyres already. The dealer says it's a fault...