View Single Post
Old 09-21-2007, 08:39 PM   #21 (permalink)
98 A4
Full Member
 
Join Date: Jun 2007
Location: Concordia University,St. Paul,Minnesota
Posts: 79
Gallery: (0)
98 A4 is on a distinguished road
Default

Quote:
Originally Posted by Donald M
Hi there,

I am now a member of this club too. I have a 1997 with AFN engine and 134K on on the clock. The exact same problems as above and I have replaced the MAF but to no avail.

Have just spent an hour looking at it in a howling gale here in Inverness and noticed that there is a plastic spherical thing rattling around under the turbo. It has a pipe going to it and seems to be involved in the turbo process. Does anyone know what it is?

Also, can anyone tell me I can locate the ECU and the hoses that go to it?

Regards, Donald
The plastic piece that you are talking about is probably the BV(bypass valve) there should be a vac hose that goes from the BV into the intake manifold.
__________________
High performance ECU chip,K & N air filter,After market clear headlights and turn signals, Dual chrome exhaust tips, S4 steering wheel, Boost gauge, Debadged grill


98 A4 is offline   Reply With Quote
Sponsored Links
Advertisement