In the second half, Iheanacho took advantage of Alisson's mistake as he passed to Ghezzal who scored a goal on 63 minutes.
The former Norwich City youngster constantly found space between the lines of Liverpool's defensive setup and linked up very well with his teammates around him in a role resembling that of a false No.9.
"Football is a game where a lot of mistakes happen over 90 minutes. but the reaction was brilliant and I'm completely fine".
The 24-year-old Brazilian is yet to appear in a competitive game for the Reds following his transfer from Monaco back in May.
Liverpool keeper Alisson, pictured in action against Crystal Palace last month, would have been relieved his howler against Leicester City didn't cost his side in their EPL match at the weekend.
"Having 12 points and knowing you can improve is good". As Klopp said afterwards, there's a time and a place.
Liverpool spent big to solve their goalkeeping problems this summer when they paid a then-world record fee for Alisson Becker from AS Roma.
Before the game, the most points Liverpool had ever acquired in their first four Premier League games was 10, last achieved in 2013/14.
Adama Traore scored an injury-time victor for Wolves as they beat West Ham 1-0 - the Hammers are still without a point - while there was a late goal too for Southampton as Pierre-Emile Hojbjerg found the back of the net.
Chelsea and Watford may have matched them step for step so far, with both clubs also winning four out of four, but there is an expectancy surrounding Liverpool this season that is not shared by their rivals.
Manchester City relied on it at times last term, despite their glittering play dominating headlines. They had not conceded a league goal in six-and-a-half hours of play.