Ask Honest John

Most recently answered stop-start questions
I understand the objective of stop-start, but it seems to contradict something I have always done after a long or fast trip: leave the engine to idle for a few minutes. I can’t remember why exactly I do...
I bought a new Ford Focus 1.6 Titanium Ecoboost in Sept 2011. The engine stop-start feature has not functioned since purchase. The supplying dealer is struggling to isolate the problem. I need to return...
This car has Stop/Start technology. It can be switched off if one remembers in time. You recommend allowing an engine to run at idle or thereabouts after a long, swift run to avoid baking the turbo -...
My husband drives an Audi A1 automatic, which has a stop/start system. The engine will automatically cut out when the vehicle stops, and when you take your foot off the brake, the car will start again....
Recently I was passenger in a car with stop/start. On the open road the trip was unremarkable but then traffic in town was heavy and I found the continual restarting made for a very uncomfortable journey....
I bought a new Fiat 500 twin air on the 18 June. With 327 miles on the clock, the car broke down, was recovered after a 2 hour wait & the stop/start sensor was duly found to be the cause of the problem...
I have a friend who lives near Stirling, three miles from the nearest main road. He does not receive the Telegraph and so missed out on your wisdom and replies regarding cars not meeting their advertised...
Whatever happened to the diesel engine used in the Rover 75? I've been driving one for the last two years and it has been excellent: economical, seemingly more reliable than some modern engines and keeping...
I bought a 2-year-old BMW 118d last May from the local BMW dealer. It is a fantastic car, but the stop-start function didn't work from day one. I reported it and waited until now to make sure there were...
Please can you tell me if you are aware of an engine management problem on the FIAT 500? I understand there have been a number of complaints. I have had a problem with my start-stop on a 1.4 Lounge.
 

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