Chevrolet S10 Blazer Questions

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my break pedal goes to the floor making stopping a bit difficult. my fluid is not low- there is no visible signs of fluid leaking any where. manual suggested to back up and hit breaks to make rear breaks adjust. this helps very little. any one else every experience this????
If so do I need to remove motor to replace them.
I have a 92 Chevy S10 Blazer. A few weeks ago it started stalling in idle, and has gotten worse. Now it stalls in idle and then when I try to turn it back on it will crank but won't start. When I turn the key to the on position, I can hear the fuel pump turn on. There is no check engine light and not giving any trouble codes besides 12 (everything is fine). Here is what I have done:

- replaced the MAP sensor
- replaced the throttle position sensor
- replaced the PCV valve
- replaced the fuel filter
- inspected all vacuum hoses, which are fine

I'm at a loss of what it could be. The next thing I was going to try is replacing the idle air control valve, but am not sure that will help.

Any help or advice would be greatly appreciated.

Thank you!
My oil will get overfull. it is not water. I did pull top part of intake and thought it to be a gas leak. On theleft side it was clean and had what apeered to be trans fluid in bottom. Right side was black with sut and oil build up.
driving the truck now has no power and dies out like the fuel pump isnt working properly but in idle runs fine and revs fine and I connected everything back properly
black smoke until I hit the throttle
I have replaced most vacuum lines but the line from the carb to the vapor canister when I take it off it does not change anything no difference?
we have pressure bled it, vacuum bled it, and bench bled it, still can't get the clutch to disengage...we also put in a whole new clutch pilot bearing and pressure plate...very frustrating!! What else can we do? We are ready to blow it up!!
i have a vortec engine
i need a picture or manual? please
it hits really hard like it has a shift kit maybe i just purchased it a week ago
was told front seal gone on it pours straight thru
I need to replace the rear transmission seal, how much would it cost
My truck is a Chevrolet s10 it has a new cluch but the other day I was driveing. And when I went to shift the cluch had no Presser and went straight to the floor I'm not sure what it is but I have the tools an everything to fix it I just don't know if it's the cluch it's self or something leading to it
any solutions that i can check i put high grade gas and try driving it but stills run a little rough
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