Their main title rivals, though, host Aston Villa on Sunday before travelling to the Emirates Stadium on Wednesday night for a game which could show pivotal.
Mikel Arteta stuck with the same starting XI that had been turned over at Goodison Park and they struggled for creativity as Brentford wasted a host of opportunities to take the lead.
The opening half-hour saw Arsenal labour in attack and struggle defensively, Rico Henry missing a fine early chance for Brentford before Bryan Mbeumo tucked home solely to see his strike dominated out for the merest of shirt pulls.
Toney hit the crossbar when he need to have damaged the impasse as the site visitors began in the vein of a crew on a nine-game unbeaten league run.
Brentford had lots of guys in the back of the ball, relying on their strikers when they should get ahead as Toney laboured Aaron Ramsdale with a strike from a distance.
Arsenal’s first effort of notice got here simply moments earlier than the break, Granit Xhaka heading down a Ben White crosses into the course of Gabriel Martinelli, who should solely fizz a shot narrowly over the top.
The Gunners have been sharper after the interval, Bukayo Saka and Martin Odegaard drawing a store out of David Raya as two of the shining lights of the marketing campaign tried to stir the facet from their collective slumber.
Brentford, though, still threatened and missed another gilt-edged chance to take the lead, Toney’s low effort flashing wide of the post having been picked out inside the box by Mathias Jensen.