Power Delay

When driving up in to the Pyrenees I was experiencing a delay in power after slowing for an hairpin bend and accelerating after coming out of it. The car was not dying but just holding it's low power state, after some seconds the power returned.
fast auto clicker
What can I do to rectify this problem?

welcome to the forum mate,
before someone can diagnose what the problem may be, it would be nice if you could give us the spec's of the vehicle.......
Y60 or Y61
RD or RB
ZD or TD or TB
auto or manual
Patrol or Peugeot