trojin37

I have a a4 b5 20v turbo 1.8 and last weekend I went to drive it home after a nite out and all off a sudden when I put my foot down it fells like its being starved off fuel take your foot off the pedal and it judders but it down gently it picks up a bit then it almost stalls! then pops and bangs then goes a bit then pops and bangs some more ! had a new fuel filter fuel pressure regulater and fuel pump less than 12 months ago is there anyone here got any ideas what it could be I put it on a snap on diagnostics and it said there was nothing wrong but there definitely is! please help its driving me to the brink off insanity!