2007 civic si sedan, Car drove prefectly fine on the drive to work (about 30 miles) and on the way home the clutch pedal began to hesitate on its way back up, got home, checked the resivior which was slightly low, filled, still having the problem, no idea whats wrong, not leaking fluid, pedal builds pressure but still comes 3/4 of the way out slow as hell and pops the last 1/4 like it used to, runs thru gears fine no grinding.. please help, last thing i need this month lol.

 

also bleed the system, no luck