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Home > Technical > Sport won't start if left for a day |
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garrycol Member Since: 30 Nov 2010 Location: Canberra Posts: 1067 |
So it starts if jump started - sounds like a battery issue (yes I see you have replaced the battery but if it needs jump starting it is a battery issue. 07MY RRS TDV6
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Tue Feb 23 2021 3:26am |
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Smarttech Member Since: 11 Jan 2017 Location: West Sussex Posts: 424 |
If the battery has been changed and it's any good then that would point to something is being left on or not shutting down and drawing current to flatten a battery in 24 hours.
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Tue Feb 23 2021 7:09am |
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riverblanche Member Since: 11 Jun 2011 Location: Retford'ish Posts: 1134 |
Hi,
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Tue Feb 23 2021 5:08pm |
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Taff814 Member Since: 19 Dec 2020 Location: Dereham Posts: 11 |
Thanks to you all for your replies. I'll have a chat with her about testing the voltage before she opens the car. This is the second new battery its had in 5 months. Previous owner changed it in Sept |
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Wed Feb 24 2021 1:15pm |
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RRSTDV8 Member Since: 12 Aug 2011 Location: Northamptonshire Posts: 8980 |
How long are the drives when it is jump started? If it's short journeys then the battery will never recharge. Indeed, it's possible that the alternator is dying and the battery has no chance to recover.
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Wed Feb 24 2021 1:29pm |
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evets Member Since: 11 Jun 2020 Location: Manchester / Bolton Posts: 59 |
The secret menu on a range rover tells you what voltage the battery has.
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Thu Feb 25 2021 10:02pm |
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Taff814 Member Since: 19 Dec 2020 Location: Dereham Posts: 11 |
The battery has been as low as 10v when I checked it during the brief 4 weeks I spent in the UK last year. It goes up to over 14v when its running. My wife does tend to do short journeys in it. I've been looking at a new Bosch battery with 110aH and a CCN of 920. I'm thinking this'll be a bit beefier and shouldn't run down so much between drives |
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Fri Feb 26 2021 9:55am |
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1richard1 Member Since: 10 Sep 2019 Location: oldbury Posts: 178 |
If it due to the short journeys it will kill the new battery, as mine only get used once in a while i got a halfords solar charger put the solar on the window screen and the other end chargers through the odb port. |
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Fri Feb 26 2021 12:10pm |
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riverblanche Member Since: 11 Jun 2011 Location: Retford'ish Posts: 1134 |
Hi,
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Fri Feb 26 2021 2:16pm |
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evets Member Since: 11 Jun 2020 Location: Manchester / Bolton Posts: 59 |
The correct battery for a Range Rover Sport is: H80 90amp/hr
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Fri Feb 26 2021 5:25pm |
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evets Member Since: 11 Jun 2020 Location: Manchester / Bolton Posts: 59 |
Sounds like the charging system is in order 14v good |
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Fri Feb 26 2021 5:28pm |
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evets Member Since: 11 Jun 2020 Location: Manchester / Bolton Posts: 59 |
One point not mentioned has the Red battery light been coming on. If not as mentioned
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Fri Feb 26 2021 5:33pm |
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Taff814 Member Since: 19 Dec 2020 Location: Dereham Posts: 11 |
My wife tested the voltage across the battery after she returned home. It was 12.3 so she put it on charge. This morning I’ll ask her to test it again then start it and check once more while it’s running. At least that will rule out the alternator. Thanks to you all for your help and advice. |
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Sat Feb 27 2021 4:55am |
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Eaters Member Since: 11 Apr 2016 Location: East Sussex Posts: 1538 |
It does sound like a Ctek charger (or longer runs) might be a better investment than a new battery. But lets hear what your wife discovers regarding voltage Robin
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Sat Feb 27 2021 8:11am |
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