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Home > Technical > Battery voltage question |
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tornado34 Member Since: 22 Oct 2010 Location: Sweden Posts: 67 |
I'm running in sub zero right now and checked mine at the weekend. I fully charged the battery using CTek on AGM setting. The standing voltage was 12.6 also.
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28th Jan 2015 6:37 pm |
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bashracing Member Since: 30 Nov 2014 Location: Leeds Posts: 46 |
as load increases voltage drops 12.6v sounds fine under heavy load,
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28th Jan 2015 6:39 pm |
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shiggsy Member Since: 13 Jan 2013 Location: Kent Posts: 799 |
Is that 12.6v whilst driving along? If so then some thing is not right.
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28th Jan 2015 7:37 pm |
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Pegleg Member Since: 15 Apr 2010 Location: Deep in mid Wales Posts: 3114 |
If that's engine at rest nothing to worry about
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28th Jan 2015 10:34 pm |
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Vince Member Since: 19 Feb 2014 Location: Durham Posts: 44 |
It's 12.6 at engine running. 12.3 when engine is off... |
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29th Jan 2015 6:15 am |
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tornado34 Member Since: 22 Oct 2010 Location: Sweden Posts: 67 |
Mine is 12.6v fully charged with the engine OFF. |
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29th Jan 2015 6:40 am |
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shiggsy Member Since: 13 Jan 2013 Location: Kent Posts: 799 |
Should be around 14.3v when the engine is running, if your scanguage is working properly then sounds like you have an alternator problem.
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29th Jan 2015 7:33 am |
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Vince Member Since: 19 Feb 2014 Location: Durham Posts: 44 |
So weirdly - ok this morning - back up at 14.4-14.5
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29th Jan 2015 7:40 am |
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Vince Member Since: 19 Feb 2014 Location: Durham Posts: 44 |
So - same 12.6 on the home tonight. So disconnected the battery for 5 - started up and again back upto 14.4.
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29th Jan 2015 5:15 pm |
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shiggsy Member Since: 13 Jan 2013 Location: Kent Posts: 799 |
If you still get low voltage at idle, might be worth using a multimeter to verify the scanguage reading. However, 12.3v when the engine is off is getting low and does suggest the battery is not receiving a charge.
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29th Jan 2015 5:40 pm |
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alex_pescaru Member Since: 12 Mar 2009 Location: RO Posts: 4642 |
Being a MY2014, it could be this:
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29th Jan 2015 7:45 pm |
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Pegleg Member Since: 15 Apr 2010 Location: Deep in mid Wales Posts: 3114 |
Don't think you need to call the dealer if you've had no probs staring the car..
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30th Jan 2015 1:34 am |
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SYFL2 Member Since: 16 Jun 2012 Location: Sheffield Posts: 2593 |
Doesn't it reset to normal mode when the the ignitions been turned off ? |
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30th Jan 2015 8:27 am |
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Vince Member Since: 19 Feb 2014 Location: Durham Posts: 44 |
14.4 again this morning - i'm more worried that the fact its immediately 12.6 after starting up that it isn't charging correctly.
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30th Jan 2015 8:42 am |
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