What is that diaphragm thing on top of air box in front of fuel distributer???
![Audi[VW]EuRo_StYLe]'s Avatar](data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 50 50'><circle class='avatar-circle-default' fill='%23aa633d' cx='25px' cy='25px' r='20px'></circle><text class='avatar-text-default' x='49%' y='53%' fill='white' text-anchor='middle' alignment-baseline='middle'>A</text></svg>)
![Audi[VW]EuRo_StYLe] is offline](https://www.audiworld.com/forums/images/audiworld/statusicon/user_offline.gif)
09-29-2004, 11:00 AM
#3
AudiWorld Senior Member
Join Date: Apr 2003
Posts: 1,134
Likes: 0
Received 0 Likes
on
0 Posts
You mean this?
<center><img src="http://pictureposter.audiworld.com/55282/press.jpg"></center><p>looks like the diaphram pressure regulator to me. Idle is managed by controlling airflow via the ISV and the mixture is set by the fuel distributor setting. This device maintains fuel pressure between 75 and 81 PSI into the fuel distributor.
Thread
Thread Starter
Forum
Replies
Last Post
dwturducken
Audi 5000 / 200 / V8 Discussion
7
09-01-2011 06:23 PM
Randolph
Audi 5000 / 200 / V8 Discussion
9
03-22-2010 04:23 PM
So fuel is getting to the fuel distributor (3A) - but not to any of the injectors - lines going to..
SCarGo02
Audi 90 / 80 / Coupe quattro / Cabriolet
19
05-22-2005 06:58 PM
v8guy
Audi 5000 / 200 / V8 Discussion
6
09-13-2004 04:46 PM