Wave upon wave of further attacks during the first half proved fruitless, however, and the City boss confronted his countryman Lahoz on the field at the break over Leroy Sane having a goal ruled out for offside.
The England midfielder was involved again when Liverpool scored the most important of all-important-away-goals just over ten minutes in the second half.
"The boys found a solution".
Jurgen Klopp admits the clock is ticking on his target of winning a trophy within the first four years of his Liverpool tenure but after eliminating Manchester City he says he dare not dream that it will be the Champions League. They were hyped up as a team for the ages and now must take a long look in the mirror.
"I said [to Lahoz] it was a goal, I didn't insult him", Guardiola said.
Salah began Tuesday's match in his usual position on the right of Liverpool's three-pronged attack, but shifted to the centre during the first half and duly netted his 39th goal of the season in the second.More news: GI man points machete at police
"Manchester City have been victims of poor refereeing decisions in three consecutive games which have defined their season", Poll wrote for the Daily Mail. I don't have to tell you this - everyone knows how great they've been. Though the German was in an offside position, the ball deflected back to him off Liverpool's James Milner.
Bayern and Real are potential semi-final opponents should they come through their quarter-finals unscathed on Wednesday.
At times, the Manchester City manager couldn't bear to watch as his Champions League hopes were extinguished.
Salah also hit in the qualifying phase against Hoffenheim, although that strike does not count towards his tally as only goals in the competition proper are taken into consideration.
For all Guardiola's complaints about the officials over the two games, City's 5-1 aggregate defeat was the latest in a growing line of failures in the competition for the Catalan.
Liverpool's first-half chances could be counted on one hand with fingers to spare. "He likes to be special", Guardiola said in an interview for the Champions League.