If the car has ABS, like the other dude said, you might have air in the unit. First of all, make sure you only use DOT 3 or DOT 4 brake fluid. I don't care if it's high performance or whatever. If you have ABS, Only use these two types. DOT 5 will airate and cause the air or spongy feel. Maybe even loss of function. You also might have to look up a specific procedure for bleeding with ABS. It's not always the same as conventional brakes. I don't know what the procedre would be, but look it up on ALL DATA or SHOP KEY. I'm pretty sure your school has at least one of these internet reference tools available to you. As far as the extremely high idle, I'm not sure. If it were only a vacuum leak, it shouldn't be that high. O2 sensors only start working after normal engine operating temperatures are reached. Before that, the ECU depends mainly on the TPS, ECT and MAF. Check those out and see what's up.
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