I have read hours worth of threads on this with no solution in sight. When I hit my brake pedal in my '01 EX bydroboost it is firm at the top then immediately fades almost to the floor before stopping. I have flushed the PS fluid. I have flushed, pressure bled, manually bled, and even bled the abs with a scanner. No improvement. 3 days ago I replaced the master cylinder, which I bench bled first, then manually bled the system again. No improvement. My pedal returns extremely slowly after depressing. While I had the master cylinder off I lubed the travel area of the piston in the hydroboost and at the firewall in the cab. The pedal return was normal after I lubed it, but then began returning very slowly again after it was all back together. I can't figure out the slow return, but on the second stroke of the pedal I have great brakes. But the return is so slow that a second stroke is nearly impossible to do when attempting to stop for a light or traffic. Please help!!