1996 A4 2.8L EGR Valve issues.
AudiWorld Member
Joined: Feb 2010
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Think positive! Just clean up that old throttle body with a dremel and replace the gasket.
Worse thing that could happen is it doesn't help. So you have wasted $5 and an hour or two.
You could probably get a used throttle body at a junk yard. The VW Passat uses the same one as does the A6.
Here's one
http://cgi.ebay.com/ebaymotors/THROT...Q5fAccessories
They are different for Auto/ 5 speed. I think you can either one on the 5 speed, but the auto can only use the correct one.
Worse thing that could happen is it doesn't help. So you have wasted $5 and an hour or two.
You could probably get a used throttle body at a junk yard. The VW Passat uses the same one as does the A6.
Here's one
http://cgi.ebay.com/ebaymotors/THROT...Q5fAccessories
They are different for Auto/ 5 speed. I think you can either one on the 5 speed, but the auto can only use the correct one.
AudiWorld Super User
Joined: May 2002
Posts: 5,138
Likes: 4
From: Redmond WA
The throttle plates should open without sticking at all. If it's gummed up the movement will not be smooth. Make sure it's fully opening and closing. The electronics on the throttle body has a potentiometer to measure position and a switch to measure closed.
AudiWorld Member
Joined: Feb 2010
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ok, just got done cleaning everything (good) and putting everything back together. The car definately idles way better, but I did replace MAF also. It is still doing the same thing though, when I give it rpms between 1k an 2k it misses completely. I guess I will be buyin a new TB! Thanks for all the help AUDIMICK!
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Joined: Mar 2010
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I am going to check clean mine this weekend and have just one question. When cleaning out the hole through the throttle body will the wire go all the way through to the EGR valve. I guess what I'm asking is how will you know when you have got it clean?
AudiWorld Super User
Joined: May 2002
Posts: 5,138
Likes: 4
From: Redmond WA
All of the removed crud will fall out at the EGR end.\
A thinnish wire should make it all the way through, but it does make a 90 degree turn at the throttle body.
If a lot of black crud comes out you are good.
Audiworld Junior Member
Joined: Mar 2011
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From: pa
I would Love to show you the pictures that I took. I'm sure that They would really Help. But I don't yet know how to post Pictures In with a message post(I haven't tried). Any tips on that would be great. I'm sure I probably Just have to go to "go advanced" Instead of "post quick reply" So I'll try that tomorrow. If you don't see the pictures up by tomorrow night, Then I didn't figure it out.
Stay Cool Folks... I mean You do drive an Audi...Don't you
Stay Cool Folks... I mean You do drive an Audi...Don't you
http://www.ibdguy.com/posting.shtml
upload pics to photo manager site (ie: photobucket)
where ever you decide to store your pictures, there should be a image link code.
copy that, paste in the forum text with code decribed in the above link.,
add the copied file name within the (" ")
make sure the image size is *abouts 500-800 height-width.
i know, i'm posting computer-how-to in a automotive-how-to. hope this helpful.
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Mr Paul [T-28]
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