Bumping this back up. I've noticed my car didn't start after a week of no activity. The battery was about 9 months old, but I went to the shop and they recharged it. It then started up fine. It's been fine for a few weeks but just noticed that my voltage fluctuates from 12V to the normal 14.5V or whatever. I've never seen it dip that low. I noticed even while driving, it goes from 12 to 14, then stays at the normal 14.
Is my alternator going? Not charging the battery consistently? That doesn't seem quite correct either.... Thoughts?
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