ok people, I need the help

[Paukert11]

:oops::oops:
Ok so today my car just started this but when I step on the break its stiff and then a starts to sink. Now this isnt the check vacuum valve right??? or is it the Pressure Regulator. Can some one help me out?? But when my foot is all the way down on the floor the car does stop. so can someone help?? asap:curse::curse::curse: it only sinks when im stoped. when moving it is stiff.

[namsayin]

:oops::oops:
Ok so today my car just started this but when I step on the break its stiff and then a starts to sink. Now this isnt the check vacuum valve right??? or is it the Pressure Regulator. Can some one help me out?? But when my foot is all the way down on the floor the car does stop. so can someone help?? asap:curse::curse::curse: it only sinks when im stoped. when moving it is stiff.

Did you try rebleeding the brakes?

i had a similar problem but it turned out to be a vacuum leak with tons of air in the system.