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Why the car battery dies frequently?
If not driving for 2 days, the battery will die, its 1 year old battery on 10 year old car.
The main change is replace starter and O2 sensor last year, and the manufacture recall for system softwear upgrade.
5 Answers
- ?Lv 45 years ago
It can, but it shouldn't. Have you had the car alarm for a while and have been parking the car for a couple of days in the past and didn't have this problem? I would be curious just like you are. I would have the battery tested (Advance Auto Parts and Auto Zone will do this for free), but I would also suspect a faulty ignition switch (sometimes a faulty ignition switch won't cut everything off when you turn the car off) and also the radio. If the battery is ok, it is probably one of these three things (car alarm, ignition switch, or the radio). But the first thing I would do is have the battery tested - since that is free.
- ?Lv 66 years ago
You have what is known as "Parasitic Draw". Something is drawing amps constantly, even with the key removed. These electrical gremlins can be difficult to locate. You need a meter to check each and every one of the circuits at the fuse panel. (May be more fuses under the hood and on some models, under the backseat) Keep checking for "draw" until you find the source. Keep in mind the dome light will be on when testing.
- Anonymous6 years ago
Might be alternator. Could be cable wire or battery end.
Might have a light stuck on. I once had a break light switch that kept the brake lights on 24/7 that did it.
