Last night my daughter's was driving down our street on the way homw and she said her car "stopped going" - it was running and she could rev the engine but there was no transmission action at all. She tried going up the neighbors drive way to back up and turn around but couldn't so I had to push her back and then in front of the house - any ideas? It seems odd it would lose all function suddenly while driving. Is there a vacuum hose or an electronic part that you've ever heard of to cause this?

Thanks,
Charles Levin