catalytic converter AUDI A3 1998 8L / 1.G ATW Engine Vacuum Diagram Workshop Manual

24-180


17 -
Charge air cooler
with charge air pressure sensor -G31-
18 -
Throttle valve control module -J338-
19 -
Recirculating valve for turbocharger-
N249- Installation location: Below intake manifold
20 -
Intake manifold with Intake Air Temperature (IAT) sensor -
G42-
21 -
Vacuum diaphragm for boost pressure
regulation When the combination valve is opened, the
mechanical boost pressure regulation valve
in the turbocharger is opened and
secondary air is thereby channeled past
the turbocharger directly to the catalytic
converter
Pa
ge 4 of 5 Vacuum dia
gram
11/21/2002 htt
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