S4 Quattro Sedan V6-2.7L Turbo (APB) (2000)
Air Cleaner Fresh Air Duct/Hose: All Technical Service Bulletins
Attachment Bulletin # 010307
Group: 01
Number: 03-07
Date: May 6, 2003
Subject:
Diagnostic Trouble Code (DTC) P1127, P1129, or P1557 Stored in DTC Memory
Model(s):
54, A6, Allroad with 2.7L
2000 --> 2003
(Eng. code APB, BEL)
Supersedes T.B. Repair Group 01 number 00-04 dated Aug. 18, 2000
Condition
DTC P1127 and/or P1129 and/or P1557 stored in DTC memory.
Can also be accompanied by poor throttle response or engine shake at steady speeds.
May be caused by loss of pressure from the turbocharger due to cracks or tears in the intake air duct "Y" boot under the fastening clamp.
Service
-
Remove upper engine cover -C- only (see Repair Manual Group 15 Cylinder head covers removing and installing).