Alright guys new to the forum here! Hows it goin my fellow audi drivers.
any help would seriously be very appreciated.

Alright my car, 1997 audi a4 1.8t, 200,000 original miles to my knowledge. Just blew my stock turbo running 20 psi spikes and holding 12 for the last 80,000 miles. So I upgraded to the ko4-15 and everything was good, it was running really well besides the wastgate not limiting boost. So i didnt drive it too hard however everything was running basically pretty well. Then all of a sudden it starts misfiring very badly and unless I floor it I can hardly drive it and it only hit 12 psi and holds. SO I stopped driving it, ordered an icm and replaced plugs as i know my coil packs were fine, and it also already had a 255 fuel pump. So, my only guess for the terrible misfires which is now happening at idle and any rpm. My fuel pump is dying, or which I just noticed this morning The fuel line i used in the tank isnt rated for intank. So im hoping that replacing that hose will help and If not then a new pump.. Also when I changed my plugs they were foul black. and my oil which is mobile one full synthetic only has 1500 miles and is veryyy black also. Sorry for the way long post but If you know of anything please let me know! Thanks for reading this novel.

 

wow thanks for the help. didnt know audi drivers are starting to act like bmw drivers pfsh.