Andre Villas-Boas admitted Stamford Bridge has become "anxious" after Chelsea were dumped out of the Carling Cup with a 2-0 defeat by Liverpool.
The pressure on Villas-Boas intensified as goals from Maxi Rodriguez and Martin Kelly subjected the Blues to their third home defeat in four games.
It was a feeble and toothless display from Chelsea, who face critical fixtures at Stamford Bridge against Valencia and Manchester City over the next two weeks.
"Away from home we've been more solid statistically and as a team. At home we just haven't been good enough," he said.
"We need to get our fans behind us and get the emotion right. You can feel Stamford Bridge has become anxious.
"We, therefore, need support. We need atmosphere to get us past this period. We have two big games at home where we need our fans behind us and I'm sure they'll do exactly that."