running lean bank 1 and splutters on start up also loss of power

[tom]

Hi. Just bought a 2003 audi a4 1.8t sport. When starting the car sometimes it splutters as if its going to stall, mainly when warm. It also lacks power and sounds like it is drawing air or blowing from somewhere. This has caused the engine management light to come on and comes up with running lean bank one. Any ideas?

[Audi Owners Club]

Welcome to the club!  :)

 

Are you able to isolate where the leak is coming from even approximately? Front or rear etc