Are there any precautions I should follow with regards to turbochargers on stop-start engines?

As I am contemplating buying a car with Renault's TCe 90 engine I have read with interest your recent comments on overheating turbos and would appreciate your advice on some points. Does carbonising build...

Is a faulty battery preventing the stop-start feature from working on my BMW 118d?

I have a December 2007 BMW 118d ED with stop-start and the other associated bells and whistles. This feature has not worked for about nine months. My BMW dealer thinks it might be a poor battery, and suggests...

Does the Fiat 500's engine stop system cause any damage from constant restarts?

This year I have bought myself a Fiat 500. I love it. When at traffic lights and I put the car into neutral, with the hand brake on, the engine cuts out. It is designed to do this to save petrol used while...

Could my Golf's stop-start system cause turbocharger damage by turning off the engine when hot?

The 'start-stop' system on my new Volkswagen Golf TSI is operating very smoothly and presumably contributing to its relatively good urban fuel consumption. However, I recall some discussion about the risk...

Does the stop-start system on my KIA Rio cause extra wear on the engine?

I have recently bought a new KIA Rio 3-spec car. Like many other cars it has an Eco system where the engine shuts off when you stop at traffic lights etc. Sure, if the engine isn't running it is not using...

How does my Volkswagen Golf's stop/start system work with a turbocharger which needs cooling?

The 'start/stop' system on my new Volkswagen Golf TSI is operating very smoothly and presumably contributing to its relatively good urban fuel consumption. However, I recall some discussion about the risk...

Does stop-start technology really save fuel?

I have a new Mercedes with an 'Eco' button, which cuts out the engine when stationary to save fuel. Surely turning the engine on and off engine wastes more fuel then just idling briefly?

Why has this rental company removed all means of repairing a puncture from their rental Volkswagen Up?

Last week we hired a Volkswagen 'Up' from Alamo at Edinburgh station. It's a very nice, albeit 'buzzy', three cylinder Bluemotion car. Our first problem was that we couldn't get the car to turn over on...

Stop/start sometimes does't work on my Focus Ecoboost?

I have a Focus Ecoboost and the start/stop system sometimes fails to work. It can be instantly made to work again by switching the ignition and back on. Any thoughts?

Do I need to turn off stop-start on the motorway?

Do half hour stints on the motorway warrant disabling auto stop-start so as to avoid engine cut-out when hitting inevitable traffic lights immediately after exiting a motorway? You note in previous questions...