hi,guys got a small prob on my mk4 this happens just now and again maybe once every couple of weeks engine starts no prob first go but then will not rev sounds like its missing or fuel starvation,after a few minutes just sitting and waiting it clears drive off perfect power the lot this can happen hot or cold like i say will run perfect for quite afew weeks and then may happen again each time it will clear itself after a few mins.any ideas will help its just annoying more than anything else cheers guys