"It doesn't feel that free-flowing anymore but that's how seasons are," Klopp told reporters on Friday. "Only (runaway league leaders) Chelsea have that feeling still, all the rest have had better or worse moments in the season.
"We have a lack of consistency. We cannot ignore it."
Klopp said there was room for improvement throughout the side after watching the likes of Roberto Firmino and Philippe Coutinho struggle.
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"I am not a clown even if few people think I am," the German added. "I am not always laughing like crazy. I am a normal person...
"We have to do better, 100 percent. Not only Phil and Roberto. There are a few other players who have a lot of space to improve. We have to be as confident as possible in the next game."
Klopp challenged his players to respond against Arsenal.
"It's Anfield, our stadium and the last game we played there was fantastic. We want that feeling again," he added. "We need to bounce back. We need to keep the points at Anfield."
Captain Jordan Henderson is unavailable for Saturday's game, while striker Daniel Sturridge has a hip injury.
(Reporting by Simon Jennings in Bengaluru; editing by John Stonestreet)
