Originally Posted by
lildaddym
The Torque I'm using shows that when I first start my car, the voltage is 13+...after it's run a while, it's been as low as 12.5 volts...should I consider replacing the alternator?
I'd be thinking about it for sure.
Like PG said, you should see 13.5 to 14.5 volts with engine running.
It should NOT be dropping back into the 12v range.