Hoddle, without a victory since taking charge, has been frustrated by five consecutive 1-1 draws.
South Korean international Ki-Hyeon Seol gave his team the lead with a 30-yard shot in the 23rd minute.
The home team held sway but Friio pulled the Pilgrims back into it when drilling home a right-foot shot.
Plymouth manager Bobby Williamson:
"I don't think there was much to chose between the teams and I'm happy with
"Kenny Miller is no slouch but if there's one player you would want to have
to catch him, it is Doumbe and he got in a great block. He did brilliantly to
"I'm glad we kept believing. That is what got us some reward."
Wolverhampton: Oakes, Naylor, Lescott, Craddock, Newton, Seol,
Andrews, Cameron (Clarke 76), Kennedy, Cort, Miller.
Subs Not Used: Murray, Bjorklund, Cooper, Olofinjana.
Booked: Craddock, Cort.
Goals: Seol 24.
Plymouth: Larrieu, Connolly, Wotton, Doumbe, Gilbert, Norris,
Friio, Hodges, Keith (Taylor 70), Evans (Capaldi 89),
Subs Not Used: Lasley, Adams, Aljofree.
Goals: Friio 58.
Ref: C Webster (Tyne & Wear).