Ask Honest John

Most recently answered technical issues questions
I'm now a vintage motorist. When I used to do an oil change a gallon of GTX cost me £8. Now I'm told my new Seat Leon needs Castrol Edge Professional, which costs a staggering £46 a gallon. My wife had...
HI. I have been running a Mini Cooper SD Coupe (2102 with 2k to 7k miles) for the past 5 months. I have alternated the use of 6 fuels to see if any brand makes a difference to fuel consumption - it does!...
I have a 2006 BMW 3 Series with 61,000 miles on the clock and a full service history (not all by BMW). The car has been diagnosed with a snapped crankshaft and BMW have said they will look at it at my...
I bought a 2010 Volkswagen Fox last week, privately. I have since had a diagnostic test done by Volkswagen and the results show that cylinder three has excessive low compression resulting in £2000+ of...
I recently purchased a 2003 Audi A4 from a local garage. After driving the car for just a few days I noticed a clicking noise in first gear - I think it’s a chipped transmission tooth, which could be very...
I own a 2012 Ford Focus Titanium 1.6 PowerShift. The car has an intermittent noise that occurs from the front nearside wheel of the car. It is a scraping or grinding noise and happens at 40mph. I have...
I own a 2008 Toyota Avensis that has covered 30,000 miles. On tick over I get a vibrating noise from the exhaust; if I touch tailpipe with my foot or increase revs a little bit it goes away. I have replaced...
I have a 2006 Renault Trafic. It is starting to vibrate when I get up to 50mph. I had the wheels checked and they are OK.
Every time I stop my car, a Mondeo 2.0 TDCI, the cooling fans are on and remain on for some minutes. This occurs even for short journeys. My dealer said this was normal but in other cars I have had the...
My 2001 Honda Civic was recently checked by a friend and it was discovered that the air-con was no longer working. No reason was given. Will it be worth getting the air-con fixed? Will there be problems...