The leaders of the Top 14, Montpellier, thumped their nearest rivals on Saturday, while struggling Oyonnax also claimed an important win.
England conceded more penalties in a match since Eddie Jones took charge against France and the head coach knows what needs to change.
Jonathan Sexton is expecting a stern test from England next weekend as Eddie Jones' side attempt to deny them a Grand Slam.
After seeing his side suffer a second successive Six Nations defeat, England coach Eddie Jones said: "We're learning from these games."
England needed a bonus-point win in Paris to deny Ireland the Six Nations title, but Eddie Jones' men were beaten 22-16 by France.
England stand between Ireland and a Grand Slam, but the latter are already confirmed as winners of the 2018 Six Nations.
The Blues converted a last-minute try against the Lions to snatch their first Super Rugby victory of the season from the jaws of defeat.
Ireland are on course for a first Grand Slam since 2009 and Conor Murray is beginning to believe.
Defeat to Racing 92 would have seen Montpellier deposed as Top 14 leaders, but Vern Cotter's men made a statement with a bonus-point win.
England need to beat France and score four tries following Ireland's Six Nations win against Scotland in Dublin.