However, DeAndre Yedlin levelled the game before half-time to give the Magpies a chance of replicating the job that Wolverhampton Wanderers did against the hosts last weekend.
He was surprisingly cut from Germany's World Cup squad and found himself restricted to substitute cameos in City's opening three Premier League games - with his brief outing in the 1-1 draw at Wolves last weekend particularly error-strewn.
Did Man City miss Leroy Sane? .
Guardiola felt Sane's performances in pre-season training were sub-standard but, amid suggestions of a him being unhappy with the winger's attitude, the City manager told BT Sport there was no need for alarm and later claimed to be "sad" for the player at his post-match news conference. Riyad Mahrez will take some to settle in, but the early signs suggest the Algerian is a downgrade to Sane.
Cardiff City vs. Arsenal - Football Match Report
Today was no different, his distribution was poor and his goalkeeping for the first goal could have been much better. The Arsenal boss is set to give his summer signing Lucas Torreira his first start in the red shirt of the Londoners.
Argentina global Sergio Aguero provided the assist that helped Kyle Walker to score the winning goal for Manchester City in the 52nd minute. Subs: Gundogan 5, Bernardo Silva 5, Kompany N/A. Subs: Joselu 6, Murphu N/A, Atsu 5.
Walker, though, ensured a day of celebration for City ended the Man. City vs Newcastle game on a high as they marked the anniversary of a takeover that has led to a decade of spending and unprecedented success in their history. Unforgivable from Lascelles as his casual pass gifts City possession in a risky area.
30' - GOAL! Man City 1-1 Newcastle: Who on the earth saw this coming? The physical battle with John Stones and Aymeric Laporte was one to relish and some wonderfully astute play created Yedlin's goal.
City have scored 16 goals in the last five matches between these two teams. Not once, twice but three times Dubravka comes to Newcastle's rescue!