Ask Honest John

Most recently answered maintenance and servicing questions
My runabout is a 26 year-old Corsa, approaching a genuine 60K. I bought it for £240 8 years ago from an old chap who had started to bump into other cars while parking and decided to give up driving. Since...
My Toyota Avensis 1.8 CVT has always gone to the main dealer for servicing and has never had a transmission fluid change. The mileage is now coming up to 65,000, should it not have had the fluid changed...
I have seen a Citroen C3 Aircross 2023 at an excellent price £10595. My concern is the notorious online reviews of the Peugeot-Citroen 1.2 Puretech engine. It comes across as a horror story waiting to...
I test drove a Mazda MX-5 1.5 yesterday. I liked it and the condition appears to be very good. It was registered in April 2022 so is just over 3 years old and it has 37,000 miles on the clock which is...
What information and tips I should keep in mind when looking for the right brake discs?
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 have a 2019 Ford Focus with just over 80,000 miles on the clock. I haven't changed the wet belt but I've spent £3k on repairs to exhaust sensors and a new catalytic converter. A year ago I had to replace...
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...
I bought a car in March 2025 from a main dealer with a full service history (which keeps the warranty on the car). I have just been to sell this car and have been told that the service history is incorrect...
Shell oils are now used by BMW garages in the UK. My 2019 BMW X3 3.0-litre handbook says 0W-30 or 5W-30, but only the 5W-30 Shell oil states that it is BMW LL-04 approved. Is it okay to use the 0W-30 Shell...
 

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