kp 115
A2OC Donor
Have you checked the dump valve operation, mine was difficult to move by hand let alone air pressure, if this is letting air out you won’t get the charge pressure required = poor pick up & performance .Could be a sticking dump valve it’s internal to the exhaust manifold but is air operated small pipe from n75 valve
Have you looked on the forum to see who is near to you with VCDS for a free scan , this is an Audi main dealer level scanYh it moves As it should so the mechanic says Keith thinking of taking some over garage
& doesn’t take more than 15 minutes to complete.