A Will Hayhurst goal on 65 minutes and a bizarre own goal from Warren Holmes near the end gave victory to PNE.
Only Preston played in the top four over the weekend with the victory putting them top of the table with 35 points from 15 matches. Burnley are second with 33 points from 14 matches. Wallsall have 31 points from 13 games and Carlisle are fourth with 30 points from 15 matches.