Originally Posted by
Rob_DOHC
if the throttle is okay mate ie the cable and the butterfly you may have an air leak,
The car runs on enrichment at start up so an air leak will just cause it to rev, if every thing throttle related is fine have a look at the hoses

Sorry mate should have read your spec list, the above relates to MFI really, but should be essentially the same with efi. So do as crazycage says and have a good look for air leaks.
Rob,