Like Antoine Roussel did on his second-period goal on which Faksa had an assist, Faksa started the rush that led to his winner.
Blues defenseman Kevin Shattenkirk tied it at 1 with 8:28 left in the third period with a shot from the top of the left circle after Dallas failed to clear the puck out of the zone.
Game 2 is Sunday in the best-of-seven series matching the Western Conference's top two teams from the regular season.