Striker Paul Hayes struck a goal in each half for a win which proved crucial as the chasing sides all won.
Super-sub Dominic Knowles came off the bench to power promotion-chasing Burton to a 2-1 victory over Cheltenham.
The 21-year-old struck the first goals of his career in the final 20 minutes after Burton had trailed to a Byron Harrison effort - extending the Brewers' unbeaten run to 11 matches.
Chesterfield maintained their promotion challenge with a crushing 4-0 home win over a Bury side who played out the second half with 10 men after Danny Mayor was shown a straight red card.
Rochdale eased to a controlled 3-0 win at Hartlepool to repeat their opening-day triumph and to keep up the pressure on the promotion places in League Two.
After last weekend's FA Cup win over Leeds, Dale showed no signs of letting their standards dip at Victoria Park.
Defeat means Pools have now lost successive games by a 3-0 scoreline after Bury's New Year's Day triumph.
Oxford stopped the rot after successive home defeats with a 0-0 draw against Portsmouth in a dour encounter at the Kassam.
It was a useful point for Richie Barker's men, who were thrashed 4-1 at Fratton Park by Oxford on the opening day of the season.
But Pompey were kicking themselves that they failed to return home with all three points, as Joe Devera missed an open goal 10 minutes from time when he failed to connect properly with a cross four yards out.
Lee Minshull scored an injury-time equaliser to rescue a point for promotion-chasing Newport in a dramatic end to a 3-3 draw at Accrington.
It had looked like Stanley midfielder Peter Murphy had secured a vital win for his relegation-threatened side with an 88th-minute header but Minshull rescued a point.
A late goal from Kevin Ellison robbed struggling Wycombe of a rare win as they drew 1-1 with Morecambe.
Ellison denied Gareth Ainsworth's side only their second win in 12 games with a 78th minute header from Andy Fleming's right-wing cross when he beat Matt Ingram from 10 yards out.
The home side had to come from behind after the game's star performer Paris Cowan-Hall maintained his run of scoring against Morecambe with a 41st minute header of his own.
Two goals in three second-half minutes put York on their way to a 2-0 victory at basement boys Northampton.
Ryan Bowman and a Wes Fletcher penalty won it for Nigel Worthington's side as they completed the double over the Cobblers.
John-Joe O'Toole struck in injury time to give Bristol Rovers a 2-1 win over Exeter City.
Relegation-threatened Torquay United earned a rare win as they beat AFC Wimbledon 2-0, Fleetwood Town won 1-0 away at Dagenham & Redbridge and Plymouth Argyle held Southend United 1-1.