Jenson Button and Kevin Magnussen finished in 11th and 13th respectively.
Red Bull boss Christian Horner reacted to Dennis' comments on Saturday by saying the team will "vigorously" defend its re-employment of Fallows.
McLaren has won the Chinese Grand Prix three times before, but can they score a fourth this weekend?
Top 6 of today's free practice result were claimed by Mercedes-powered teams.
Jenson Button and Kevin Magnussen coped well in the temperatures conditions, running through their planned programmes without mishap.
"We are still in the learning process" - Alan Permane, Lotus F1 Team chief engineer.
The sweltering heat and humidity of the topics provide the gruelling backdrop to the Malaysian Grand Prix, round two of the 2014 FIA Formula 1 World Championship.
Wolff tried to convince 51-year-old Lowe to leave McLaren.
“If it’s wet tomorrow, anything could happen”