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 Post subject: Battery NOT discharging
PostPosted: Fri Aug 11, 2017 5:24 pm 
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Joined: Thu Aug 10, 2017 1:21 am
Posts: 2
Hi folks. I was wondering whether anyone else has had any experience with their battery not discharging. My car seems to be relying on its petrol engine a lot more than it used to in the last three or four days (I've had it for all of three weeks), and I've tried everything I can to figure out why, including making sure it is not on save mode or charge mode. I'm currently at a ski area (I live in NZ and it's peak ski season) and today I still had 3 kms left on the charge indicator by the time I got to the top of the mountain, whereas the first few times I did that, the battery discharged completely. And yesterday I drove to a town 40 kms away and back, and when I got home 80 kms later I still had just under a 50% charge on the battery. At the same time the car is clearly using up more petrol; I have a third of a tank left despite filling it up last week! Any thoughts as to what might be causing this issue? Thanks!


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 Post subject: Re: Battery NOT discharging
PostPosted: Fri Aug 11, 2017 5:31 pm 
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Joined: Wed Sep 09, 2015 5:05 pm
Posts: 251
Location: Australia
Being "heavy footed" can cause the engine to run more often.

If you're stomping on the pedal, the car reads that as a sudden demand for more power and fires up the engine.

If you have had the recent software update, that seems to run the engine a little longer than before, once it has been triggered.

There is a mode which causes the engine to run all the time, but it displays "Engine started to maintain fuel system" on the dashboard when it is doing it.

I keep forgetting the rule, but it's something like: If less than 20 litres of petrol have been added to the fuel tank in the last 6 months, trigger "Engine started" mode.

That mode persists until you add another 20 litres of petrol to the tank. (In my case, I often have to use up fuel first to make room).

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 Post subject: Re: Battery NOT discharging
PostPosted: Sat Aug 12, 2017 12:09 am 
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Joined: Tue Nov 01, 2016 1:53 am
Posts: 70
If you're in a ski area I'm guessing it is cold. If you're using the heater that could be causing the engine to start.


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 Post subject: Re: Battery NOT discharging
PostPosted: Sat Aug 12, 2017 12:37 pm 
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Joined: Mon Sep 07, 2015 2:34 pm
Posts: 212
Location: Devon UK
If it's cold outside then the engine will run to run the heater to warm you up! :o Depends on the model. Higher spec ones have electric heaters but they still use the engine to power the heater.

Try turning the heater off and/or set temperature down to its minimum, (should be around 15C but depends on country model I suspect) and see what happens. Air-con will also use main battery power.

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 Post subject: Re: Battery NOT discharging
PostPosted: Sat Aug 12, 2017 1:21 pm 
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Joined: Thu Oct 01, 2015 6:35 am
Posts: 370
Location: Cambridge UK
Bit like to old (politically incorrect) joke about the everlasting Guinness . . .

(Nationality deleted) Guy in a bar and a Genie appeared. "I will grant you three wishes"

He thought about it and said . . "When this glass of Guinness is empty, I want it to refill"

"Granted" said the Genie. The guy drank the pint and the glass magically refilled.

"You have two more wishes" said the Genie.

"I'll have two more of these" said the guy.

I wish my battery refilled itself . . . .

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1993 Red Eunos Roadster - Imported form Japan 2016 - 136,000 kms
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 Post subject: Re: Battery NOT discharging
PostPosted: Sun Aug 13, 2017 1:36 pm 
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Joined: Thu Aug 10, 2017 1:21 am
Posts: 2
Thanks for the tips-- I'll definitely try the heating solution today!


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