Kevin de Bruyne is undergoing tests on his right knee after sustaining an injury at training.
Kevin de Bruyne scored eight goals and provided 16 assists in City's title win.
Bernardo Silva's fine finish capped a typically incisive City raid that suggested Pep Guardiola's side have picked up where they left off.
The Gunners were largely outclassed by the Premier League champions on Sunday.
Raheem Sterling opened the scoring with a cool finish early in the first half before Bernardo Silva lashed in City's second after the interval, leaving Guardiola to sing the champions' praises.
The City manager has rejected the notion that his stars, who won the league title by a record 19 points three months ago, should forget about that glorious campaign and focus only on the months ahead.
Chelsea opened their Premier League campaign with victory against Huddersfield, while Tottenham, Bournemouth, Crystal Palace and Watford also made winning starts.
Douglas Luiz, signed from Vasco da Gama for 10.7 million pounds (USD 13.6million, 11.9million euros) last summer.
A frantic 48 hours in the transfer market provided Chelsea with a timely lift after last weekend's Community Shield defeat to Manchester City.
Liverpool weren't just the biggest spenders, but got their business done early and improved the key areas of Jurgen Klopp's squad that needed strengthening.
The Iran-born 19-year-old joined from the champions' sister club Melbourne City and is expected to be sent out on loan.
The 31-year-old, who failed to make the England squad for the World Cup, has signed a two-year contract.
The last side to win the Community Shield and then go on to clinch the Premier League title were Manchester United in 2010-11.
Sunday's Community Shield is set to feature various youngsters and fringe players as FIFA World Cup 2018 stars ease their way back into club action.
Gabriel Jesus was part of the Brazil squad that reached the World Cup quarter-finals.
Manchester City said in a statement on Monday that a scan had showed nothing alarming.
Two goals from substitute Bernardo Silva helped Manchester City come from 2-0 down to end a run of two defeats in this International Champions Cup campaign with youngster Lukas Nmecha scoring in between.
A knee injury forced the 24-year-old for out seven months last season but having made just 11 appearances all season he ended the summer with World Cup and Premier League winners medals.