94 accord ex with abs......pedal hard .....pedal soft......pedal fading.....I have replaced the rotors calipers pads and bled the whole system. I still have these issues. I was told its the abs sesor.......also ran a code check with the right rear sensor bad......is this really my issue with the FADing...???

 

Usually a "fading" brake pedal is a sign of a bad master cyl.

Can on and running, in park. Apply pressure to the pedal, does it slowly sink to the floor?