Despite City's £215m outlay on players this summer, Guardiola said he still sees a gulf of experience and confidence between his own side and the usual favourites, including his former clubs, Barcelona and Bayern Munich.
Asked if the incident could make the goalkeeper hesitant in future, Guardiola said: "I could understand that feeling if he felt that, but in today's training session there were two or three long balls and he was there. I know how they play and the quality of Dutch football".
"I am so happy with what the club have done", he said. He said City were still 'growing, ' despite a study which showed the total spend on this squad is £775m, £3m more than the amount spent by the Paris St-Germain side now parading £200m Neymar. I know how complicated it is.
Feyenoord haven't featured in the Champions League group stages since the 2002/03 season, but after winning the Eredivisie last season, Giovanni van Bronckhorst are back among the European elite in a group that contains Manchester City, Napoli and Shakhtar Donetsk.
But Toure apologised and became a key member of Guardiola's squad, earning a new deal, and the City boss said he remains part of his plans.
'But the decision was he didn't play the last game and today he's not in the squad.
However, the match at the De Kuip has come too soon for his captain, Vincent Kompany, who remains sidelined with a calf injury he suffered on global duty with Belgium.
Another player who will not feature is captain Vincent Kompany, who continues to be troubled by the calf injury which affected him last weekend.
For the first time in Pep Guardiola's career the much heralded head coach failed to guide his team into the Champions League semi-finals. The Brazilian has been training wearing protective headgear after suffering facial injuries which required eight stitches in a nasty clash with Liverpool's Sadio Mane.