Ask Honest John

Most recently answered maintenance and servicing questions
We have a Nissan Primastar. It has only just had a service but the following problem was pointed out to my mechanic. The glow plug and service light comes on after about 3 miles of travelling, then goes...
I do not suffer with hay fever so why not remove pollen filter altogether and improve the air flow through car?
I have recently bought a 2020 Ford Focus 1.5 diesel in good condition with 79000 miles on the clock. It has been regularly serviced. What do I need to look for and replace at the next service in order...
I own a Citroen C3 Picasso. How often should the pollen filter be changed?
How reliable are the Ford Kuga Ecoboost engines?
My 2006 Ford Fusion has done 102,000 miles which I don't consider high mileage. Recently while waiting at traffic lights, after a 25 mile journey, I noticed bluish smoke coming out from the bonnet close...
We've just bought a new 2025 Volvo XC60 mild hybrid and I would just like to know at what mileage/age it's best to change the cambelt/timing chain and water pump.
My 2016 BMW M135i owned since new with only 52000 miles just had a BMW Health Check which showed that the front brake discs had a slight lip and the pads were on 4mm. Both the discs and pads are original...
Why does my daughter’s VW Up’s handbrake sometimes stick on? It’s been to the garage multiple times and had most parts replaced. The garage is unable to remedy. It can be released by revving the engine,...
I own a 2011 BMW 118d and recently the gearbox kicks me out of third gear but all gears are working fine with no issues. I am just wondering what it could be before I start spending money on unnecessary...