Fifteen point eight is too high Drew
Northern California? 15.8 ?
It may be just the gauge.
Not worth the risk to guess at this. 16.0 volts will start damaging the chassis control module and the fact the ECU has not thrown a code is damning. love to see a LA battery that withstands 15.8 @ 70F which California has been enjoying.
Like being squashed in a packed elevator against a coughing feverish person.
Like the old Peanuts strip
CB My dad said our car started making funny noises coming home from work
Linus so what did he do?
CB. He turned up the radio