Hi my friends are trying to drive their Hijet EFI to mongolia for charity.

Its got a weird problem - any help really really appreciated. Here is the post from their sms which describes the problem.

"We're heading east towards Barnaul, before heading up the mountains towards the Mongolian border. The barren dry 'steppe' plains are starting to turn greener. More wet land, birch woodland and the most magnificient eagles in almost every field. We do have new problems though, Burt has developed a new issue. Seemingly and suddenly losing power as if there's no petrol. The only way of resetting this is switching the car on and off quickly. So every 5 minutes we're flicking the key. Car geek: I'm thinking it must be something to do with the electric fuel injection system, as only digital stuff fixes itself by resetting. And we've also lost the horn Ive already checked fuses so If anyone has any ideas, send them on a postcard (or text). Ah, the adventure. Still singing to bad tunes and enjoying it all. "

Any ideas?