It has 2 or 3 vacuum connections to it so I assume it was some sort of fuel shut off but I suppose it could have been the door open. Maybe it is some sort of aftermarket alarm feature...heck I'm not sure.
Anybody have reference to a lunger thing in their CD or manual?
It looks like one of those things you push on a tv game show if you think you have the answer-except its mounted sideways.
All I know, is my car now is running pretty much normal, no starter problems, no bogging, but the idle still stinks.