TT Coupe L4-1.8L Turbo (ATC) (2001)
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Air Flow Meter/Sensor: All Technical Service Bulletins
Attachment Bulletin # 240303
Group: 24
Number: 03-03
Date: Nov. 6, 2003
Subject:
Engine, Fluctuating Idle or Idle Speed Too Low
Model(s):
A4, Cabriolet, with (Eng. cod. AMB, ATW, AWM)
TT, with (Eng. code AMU, ATC, AWP, BEA)
2000 --> 2003
Supersedes T.B. Group 24 No. 03-01 dated Aug. 5, 2003 due to procedure revisions (marked by asterisks)
Condition
1.8L 5V Turbo Engine idle fluctuates or is too low at times, poor throttle response, engine bucking, cold start driving concerns, MIL ON.
May be caused by contaminants (dirt, oil) on interior surfaces of throttle valve control module -J338-.
Contaminants may cause bucking due to wrong airflow recognition.
DTC's which may be associated with condition:
In conjunction with the above listed DTCs, the following DTC's which may also be stored:
Service
Always review and follow Cautions and Warnings listed in the Repair Manual regarding the use of the VAS 5051 and VAS 5052 during any road test.
A4, Cabriolet and TT models:
Using a second Technician, road test vehicle with VAS 5051 or VAS 5052 connected:
