Most recently answered technical issues questions
You recently stated that "The EGR system recirculates unburned hydrocarbon fumes from the crankcase so they are combusted rather than emitted." Not so. You have described the purpose of a crankcase breather...
I have a Mk V Golf which has done 45k and it has developed a dullish whining noise. It sounds like I'm driving an old Land Rover. Is there a history of transmission or wheel bearing problems with this...
Five years ago I purchased a new BMW 530Diesel automatic. At 74 yrs old I only do 6,000 miles per year, but take great care to make a reasonable run once per week to keep the engine in reasonable order....
Thank you for your recent answer about DPF problems with my 56 reg Zafira Design CDTi (150). I have decided to sell it. Your website comments regarding DPF are all about this engine and I wonder if the...
I have a BMW 123d and am looking at ways to further decrease my fuel consumption as I drive approx 100 miles per day, mainly all motorway sat on cruise control at 70. I see these Bluefin Superchip units...
We are considering formally rejecting my wife's December registration new Corsa Design 1.4 Auto. We have tried to get a resolution to a gearbox problem since January, the Vauxhall engineers are apparently...
I have a 2006/56 Mercedes CLK280. The rear Pirelli P Zero Rosso 255/35 ZR 18 94Y tyres needed replacing at 11,000 miles and the replacement pair have managed 14,000miles but are now also worn out. The...
My car is a FIAT Panda Dynamic Multijet 1300cc diesel, 2005. Just today I've received a letter from FIAT where they strongly recommend me to change the timing belt every four years even if I've driven...
I have followed your suggestions on using Shell V Power fuel, high revs, and petrol cleaners (3 times). However I am still having problems as the engine sometimes cuts out when I stop at a junction. It...
A friend bought a 2003 Agila with 24k miles. There is a whine in 5th gear unless the car is coasting. The salesman said "it is a town car and 5th gear hasn't yet been run in". My suspicions are that 5th...
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