Ask Honest John

Most recently answered stop-start questions
My stop-start engine stopped, as per normal, at a set of traffic lights - but then wouldn't automatically start again. Why's that?
My 2011 Volkswagen Golf has been garaged since the middle of March. I bought a CTEK battery charger and connected it. There is a setting called AGM. What is that, please? Also, do you recommend running...
What type of stop/start battery is fitted to my Mercedes B-Class and why has it failed? The car is less than three years old and the mileage is 28000.
I am considering buying a Vauxhall Insignia 1.4T but it has start/stop which puts me off. Is there a way to permanently turn off the function?
I have a 2017 Ford Kuga, which has now done 4000 miles. Recently the start-stop function only works intermittently. The main dealer has said that I'm not doing enough mileage. However, I don't think that's...
My Volvo V90's start-stop facility frequently refuses to work. Is this a common fault?
I bought a Toyota Auris from a main Toyota dealer a week ago. The car is a 16 plate, with only seven miles on the clock when I bought it. The car was a Toyota fleet car, so was unused for over a year....
I have a Nissan Micra and my start/stop is not working. There are no faults on the dash board. I replaced the battery but it still does not work. The charge is fine on the battery. Any idea what might...
I read a recent reply of yours to a Honda CR-V owner whose stop/start isn't working, where you advised a new battery. We recently bought a 2013 CR-V with a 12 month warranty from a main dealer and the...
I've found a route to work that is quicker, quieter and less miles. On the motorway it's 18 miles, through the town and stop/start at lights (although very quiet at that time of the morning) its only 10.5...