How Do You Know When Your Car Battery Is Dying. If youre not getting the gas mileage you should it likely indicates that the battery is dying. If the above steps reveal that the battery is working its time to take a closer look at the alternator.
This is probably one of the most common symptoms of a dying battery. A swollen battery case is not only a sign of a dying battery but it can also be very dangerous. If not you should get it replaced.
However when the engine is running this charge should measure at 137 to 147 volts.
Often youll see the red battery icon light stay on but you. A swollen battery case is not only a sign of a dying battery but it can also be very dangerous. Set up your test equipment. Signs of a bad alternator.
