G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Dead Battery Concerns

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Old 01-26-2013, 04:30 PM
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Dead Battery Concerns

Well, I have my wife taking care of my car while i'm deployed. As of today she said the battery has died. Is there any harm to it sitting for a couple weeks on a dead battery? I read all this stuff about having to get the ECU to relearn or the idle.
 
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Old 01-26-2013, 04:32 PM
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is it totally dead like the radio does not work?
 
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Old 01-26-2013, 05:31 PM
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No completely dead. Car just clicks.
 

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Old 01-26-2013, 07:01 PM
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Originally Posted by rsingerG35 View Post
No completely dead. Car just clicks.
that happened to my car for not using it for 2 months. you will not have problem with the ecu unless the battery totally dies. my suggestion is have it jumpstart and at least start and let it run for 5 mins every other day or just leave it like that until you come back!
 
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Old 01-26-2013, 09:12 PM
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So the car can't live without power? It doesn't re-learn on its own?

My wife managed to get it jump started and drove it for a bit.
 
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Old 01-26-2013, 10:24 PM
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well the battery just have enough power to open up the doors and electronics, but not enough to crank it. l left my car sitting for 2 months and the battery was discharge.

After that i left it sitting for a couple of weeks but i'm starting it up every other day! I'm using my car now and have no problems with my battery.
 
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Old 01-26-2013, 10:25 PM
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btw, how long will it be sitting?
 
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Old 01-27-2013, 12:44 PM
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There should be no harm done to the car by leaving it with a dead battery. However, if you let that battery sit dead for a long time, there's a pretty good chance that you'll have to replace it with a new battery when you get back. If you have your wife jump the car or use a battery charger to get it back up to charge, you can probably salvage the existing battery... depending on how old it is. Anytime you run a car battery down all the way, you're doing damage to it. Try to have the Mrs. start the car like once a week to keep it healthy, or have her buy you a trickle charger and hook it up to the car.
 
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Old 01-27-2013, 01:15 PM
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Sweet thanks. The battery is a couple years old. Innerstate brand. I am having her start it twice a week to keep it solid for a couple more weeks.
 
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Old 01-27-2013, 01:16 PM
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Originally Posted by dexthurr21 View Post
btw, how long will it be sitting?
About 4 months.
 
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Old 01-27-2013, 04:32 PM
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Originally Posted by rsingerG35 View Post
About 4 months.
that's a long time. have your wife use it sometimes.
 
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Old 01-27-2013, 04:37 PM
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Agreed. So it won't have any effects on the ecu or other computers If it doesn't have any power?
 
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Old 01-27-2013, 05:01 PM
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not unless you remove the negative battery terminal or the battery fully dies, the ecu will not reset.
 
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Old 01-28-2013, 01:40 AM
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You just need to buy a new battery. Simple as that. My battery went out when the car was four years old, jumpstarted it with my Maxima, went straight to the auto parts store and dropped a C-note on a new one. If it's only the battery that's gone on your G be happy and replace it, problem solved.
 
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Old 01-28-2013, 05:22 AM
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Originally Posted by 2K6G35c View Post
You just need to buy a new battery. Simple as that. My battery went out when the car was four years old, jumpstarted it with my Maxima, went straight to the auto parts store and dropped a C-note on a new one. If it's only the battery that's gone on your G be happy and replace it, problem solved.
Any suggestions on a brand of battery?
 

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