Quote:
Originally Posted by yco
optimal range when engine is running is 13.7 - 14.7.. and its still ok above 12..
15v is high.. non of the engine parts are designed to handle 15v..
you may experiencing corrosion, starter solenoid issue or battery needs to be checked or something else.. battery acid can boil over easily with that voltage..
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Oddly enough i had a remanufactor alternator that I had install for about 5k miles ago. It was producing 14.8 at first install then recently it was hovering around 13v. Getting high battery drain warning every now and then. Engine would run poorly, idles rough. Then I purchased a used oem alternator and install new bearings and new Valeo voltage regulator. I can definitely tell the engine now idles really smooth. Engine cranks and starts quicker. Before it would take 1-2 seconds of cranking, now it’s like instant on lol. Maybe the battery is fully charged up.
Isn’t the battery IBS unit is there to control the right amount of current to the battery and the electronics.