Alexander Gerndt and Ardian Gashi scored early in the second half and Christoffer Andersson headed in a third five minutes before the end as Helsingborg beat Djurgarden 3-0 on Monday to stay No. 1 in the Swedish league.
Helsingborg has three more points than Elfsborg after 16 of 30 rounds.
Also Monday, Ibrahim Bangura scored all the goals as AIK routed Halmstad 4-0 to move into third place.
On Sunday, Stefan Selakovic scored a hat trick in the second half to give IFK Goteborg a 3-0 win against Syrianska.
League top scorer Mathias Ranegie hit his 14th goal of the season when he put Hacken ahead in a 2-1 win at Mjallby.
In other matches, Elfsborg, Kalmar and GAIS won while Norrkoping and defending champion Malmo drew 0-0.
