I think I broke something? :(

Okay, I need your advice/help.
I just finished juicin' the car and then my car started to idle high, not rough just really high. I mean 1,500RPM instead of the usual 600 or so. I pulled over and put the car in park. I reved the engine a little bit and hear a "POP" from under the hood, just once though. So I get out and inspect the car, everything looks okay. But I smell something I shouldn't. I back up to see if there is a leak/puddle. There was a decent size puddle. I smelled it and it was coolant(Thank God not oil!).
But my car wont stop idleing so high?! Any ideas? I was running a 100 wet shot on a stock motor and fuel system. I havent yet looked at where the coolant is coming from its getting too dark, I will in the morning.
Am I going to be OK??
Thanks, help!

I have had a solenoid stick open just a little from debris, and it did the same thing. Close you nitrous bottle and prop your trottle blades open for a while to clear the manifold. Be careful, you dont want to walk out and start a motor that has excess N20 or fuel in the manifold from a leaking solenoid.

I looked at the TB. seems totally fine. However, a little bit of fuel was leaking from the nozzle where the fuel line bolts up. What kind of sealer should I use?
As far as the idle.. I don't know what the problem is. IAC?
Possibly not N2O related??
Thank-you for your tips ea1. :)

This is going to sound silly but I found out what was causing the high idle. My WOT switch's screw came loose and was holding the throttle down a little bit. d'oh! :)

u should use pipe sealant.....the liquid kind, not tape!