Most recently answered additives questions
Having read your columns for many years I notice how you advocate the regular use of higher grade petrol. I have a Skoda Octavia Scout 1.8 TSI and inside the fuel door there is a label that says use 95...
I'm a London taxi driver. My cab is a 2006 TX 2 that's done about 234,000 miles on the original engine. Recently, the oil pressure warning light has started to flicker when the engine has warmed up, more...
I have a 2013 diesel Vauxhall Insignia automatic. I accidentally misfuelled and put in just under five litres of petrol. After speaking to people in the petrol station, I filled up the remainder of the...
I have just acquired a K reg Volvo 850 GLT with just 25,000 fully-documented miles on the clock. Is it okay to use super-unleaded fuel in this car? Also, would it be wise to use a petrol additive such...
Should I add injector cleaning fluid to my 2007 BMW 525d diesel engine?
My Mazda3 1.6 diesel is due for its second annual service shortly and has done 7300 miles.
The garage says that Mazda recommends a bacterial cleanse of the ventilation system for £24.95 and a brake fluid...
I was interested to read your recent comments about certain vehicle models appearing to be DPF trouble-free. Is this because they have markedly different systems for regeneration of the filter, or some...
I notice you were yet to be made aware of any DPF issues with Mazda Skyactiv diesels so I thought you might like see the attached which comes from the May 2013 issue of Diesel Car. Are you seeing any evidence...
Our 2002 Renault Scenic 1.6 automatic has clocked exactly 45,000 miles. On a recent motorway journey of 150 miles I decided to check the economy and was horrified to find it was only 26mpg. We only use...
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