My Insignia's stop-start system is faulty.
I have a 2015 Insignia 1.6 CDTi Ecoflex. The stop-start system only works when the battery is charged manually and then stops after a few days. New battery fitted by dealer six months ago.
Brian LochrieJun 2020 Filed under: fault
Expert answer
Hi Brian,
We get so many queries about stop-start systems (in all makes and models) that we wrote a feature about it: Why won't my car's stop-start system work?
However, in your case, perhaps there's something up with the alternator that prevents it from charging up the battery fully.
It may be worth getting an auto-electrician to check it out.
My Fiat 500C's stop-start is playing up...
Hi,
I have a 2012 Fiat 500c manual. Over the past year, the stop-start has intermittently stopped working, warning light comes on saying stop-start not available and a yellow triangle. The last few months is has been happening more often, now warning light on constantly. I had the battery checked and it was 80 per cent. Charged battery and today warning light was on constantly for six miles, drove again and stop-start worked or at least no warning light for about a mile, then on again, tried quickly turning key in ignition 6 to 10 times and warning light stayed off for another 1/2 mile or so then back on, had a hose replaced in February from radiator and it started to say unavailable about middle of March. It's not affecting driving any other way just really annoying, don't know if a new battery will fix it. Fiat dealers are closed at the moment due to COVID-19 or I would have taken it for a diagnostic test.
Hope I've made sense.
Wendy Armson (Brierley Hill)Apr 2020 Filed under: fault
Expert answer
Hi Wendy,
We get a lot of queries from people with cars that have stop-start issues. We've published this article to help: Why won't my car's stop-start system work?
Saying all that, we also know that the Fiat 500's engine can develop a couple of issues that may be relevant to you, including a problem with the alternator belt tension (and hence battery recharging when on the move) and another with the engine control unit.
Sadly, unless you're comfortable with checking the alternator belt for yourself, these items will have to be checked by a mechanic.
My low-mileage car has stop-start issues...
My auto start-stop does not work; the dash says engine is on due to vehicle charging and it just stays that way. The car only has 10,000 miles on it.
Gerald Hawk (DUNMORE)Apr 2020 Filed under: fault
Expert answer
Hi Gerald,
Most stop-start issues can be traced to a problem with the battery. Perhaps with such low mileage it isn't being kept topped up. Regardless, we suggest you read the feature we wrote about this, called Why won't my car's stop-start system work?
How to keep my diesel in good condition?
As an over 70 and therefore required to stay indoors indefinitely, how can I maintain my diesel car in good condition when it may not be driven for a very long time?
Brendan McElroy (DUNMORE)Apr 2020 Filed under: diesel
Expert answer
Hi Brendan,
It's a tough situation for you. We hope you have family and friends to keep in touch with and make sure all your needs are met.
Don't worry about your car. If it's not doing any mileage, then there's no worry about the DPF (diesel particulate filter) or other major diesel components clogging up from low-mileage, low-temperature use. Even if you want to start up your car every few days and let it run for 15- to 20 minutes to keep the battery charged up, that won't have a major effect, not so long as, when we are free to drive where we want again, you take it for a good long run at some decent motorway speeds.
Other than that, keep an eye on the tyre pressures and fluid levels, watching out for leaks under the car. Also, don't park under a tree if you can help it, as it could lead to paint corrosion.
Should my Polo's stop-start be working cold?
The stop-start system on my 2019 1.0-litre petrol Polo is enabled with a stone cold engine: if I drive 100 yards after a overnight stop the stop-start is enabled. This can't be logical as the diesels all have to reach temperature before enabling it. Spoke to Volkswagen, but can't get a straight answer. I have also driven other petrol Polos and they are exactly the same.
John M (Cork)Feb 2020 Filed under: electrics
Expert answer
Hi John,
There's a lot less going on in the exhaust aftertreatment of a modern petrol engine than the equivalent diesel so I suspect the diesel needs the warm-up more. It may also be due to the extra strain on the starter and battery due to the high compression of the diesel engine. When the oil is cold, the friction may be higher, causing a higher strain again.
Either way, it's nothing to worry about.
What's up with my Fabia's stop-start?
I bought a Skoda Fabia and the stop-start doesn't work, plus it says low volt battery. I've been back to the dealer and he hasn't got a clue.
Please help
Sue Williams (Craven Arms )Jan 2020 Filed under: fault
Expert answer
Hi Sue,
Sounds to us that the battery could be in poor condition. Lots of cars develop issues with their stop-start systems. We get so many questions about it that we wrote a feature about it all - Why won't my car's stop-start system work?
My new L200's stop-start is erratic...
Hi,
I have a new Mitsubishi L200 series 6 Barbarian. Done less than 500 miles, mixed driving. The auto stop-start is totally unreliable. Green light comes on first start, goes out, may occasionally flash whilst driving. Over a 40-mile trip the stop-start functioned only once. Worked less than half a dozen times since purchase. Dealer says no fault or error codes.
Any ideas?
Dave Lewis (Portsmouth)Jan 2020 Filed under: fault
Expert answer
Hi Dave,
I'm surprised to hear that from a new truck where the battery will be in good condition, but stop-start systems regularly don't work as people expect. The system measures loads of variables before deciding whether the engine will be stopped, including the temperature of the engine and even the outside temperature. If it's cold weather, it may not work at all. If you're using items that are a big electrical drain, it may not operate.
Read our Why won't my car's stop-start system work? feature
Are EV range figures based on 100% battery?
Hi,
All the articles I read say that electric car batteries should only be charged to 80/85 per cent. Are the published range figures based on 100 per cent or 80 per cent charging?
Thanks, Philip
PS: For me, electric cars will only become realistic when they have a real world range of 600km.
Philip Donegan (Ballina)Jan 2020 Filed under: electric cars
Expert answer
Hi Philip,
Well, Tesla already sells a Model S long range that will go for a claimed 610km...
Where to go to get an EV home charger?
Hi,
Any advice/recommendations for EV home chargers? I’ve ordered an EV and have no clue where to start when choosing what size/type home charger to install.
Any help appreciated.
Many thanks.
Iobhán Smith (Ennis)Jan 2020 Filed under: electric cars
Expert answer
Hi Iobhán,
If you’ve bought a new electric car, talk to the dealer from whom you bought it. All of the major electric car brands have their own charging recommendations and can usually offer you a supply and fitting service. If it’s a second hand one, talk to the guys at ESB e-cars as a first port of call — lots of knowledgable people there and they’re very helpful. As a rule of thumb you’ll need to be able to run a charger with a power output of at least 7.4kW or you’ll not be able to fully charge the car overnight, especially if it’s one of the new big-battery models.
Do I have to fix the stop-start system?
Hi, my auto stop-start stopped working and a symbol keeps on flashing on the dashboard. Will it damage my car if I don’t get it fixed right away? I’ve a Nissan Note.
Sandra Clarkson (Dundee)Dec 2019 Filed under: fault
Expert answer
Hi Sandra,
It shouldn't cause any damage, but it could indicate a weakness in your battery or electrical system, so it's best to have it looked at when you can.
Read our Why won't my car's stop-start system work? feature for more information