04A41.8T_CVT

I am getting the following codes, I would appreciate the help as always. I get a vaccum leak type sound from passenger front side when I take my foot off the gas pedal. Is the DV gone bad? The DV is stock OEM on this 04 A4.

Address 01: Engine
Control Module Part Number: 8E0 909 518 AK
Component and/or Version: 1.8L R4/5VT G 0004
Software Coding: 0016581
Work Shop Code: WSC 63351
3 Faults Found:

17705 - Pressure Drop between Turbo and Throttle Valve (check D.V.!)
P1297 - 001 - Upper Limit Exceeded
17519 - Oxygen (Lambda) Sensor Regulation: Bank 1: System too Lean
P1111 - 002 - Lower Limit Exceeded - Intermittent
17544 - Fuel Trim: Bank 1 (Add): System too Lean
P1136 - 001 - Upper Limit Exceeded - MIL ON

Readiness: 0000 0001

Andy@Ross-Tech

Test the DV and check for split hoses.