I have a ford explorer 2013 model. NOT ROBOT
The battery for the ford explorer 2013 the battery is replaced twice now.First time I replaced the motorcraft original batter which lasted only 1 1/2 year and I replaced the battery last September 2014. Today I saw the cranking voltage is low as 8 and hence the mechanic advised me to change the battery.What should be the reason for battery exhaustion. I was told normally the battery last for min 3 years.
You will have to charge the battery, not by running it, then check the voltage again. If over 12 volts, normal is about 12.5, start the vehicle. Now check the voltage with the engine running with a fully charged battery. It should read somewhere around 14 volts. If less with a fully charged battery the problem may be with the alternator, but I doubt it on a vehicle two years old, but worth the check. If alternator checks out perform a parasitic drain on the vehicle's electrical components. To involved to explain here but a net search should have a video and procedure. You'll need a multi-meter.
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