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Audi 4000 CS Quattro (Read 422 times)
Nov 15th, 2007 at 8:59pm

Groundbound1   Offline
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Any one have or had one of these? I've got an '85, with a billion or so miles on it.(not sure how many actual miles are on it, because the odo has been broken for 11 years, but it had 116,000 miles when it quit!)

My question is this. I drove it to the local electronics store to pick a pc that was being serviced. It ran like a champ like always all the way there. But when I went to leave, it wouldn't start. I traced the problem to the fuel pump not being activated.

 NOW, according to the dealership authorized service manual I have, all electronic diagnostics for the engine management systems are performed by placing a spare fuse into a slot on the fuel pump relay for five seconds or so, then all you have to do is read the "blink codes" from the "check engine light" on the dash.

Sound easy enough, right? Well the fuel pump relay was replace some years back, with one that was SUPPOSED to be an oem replacement. But it doesn't have the "oem blink code spare fuse slot " on top of it!

So now what? Anybody have any ideas? I don't have a lot of cash, and parts for this machine are VERY costly and hard to come by (in the US anyway), but it's been too good a vehicle just to give up on.
 

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Reply #1 - Nov 17th, 2007 at 6:58am

Ivan   Offline
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Ebay would be the best bet... Search for Audi 80 and Audi 90.

Explanation:
Audi 4000 = Audi 80/90 for USA market
Audi 90 = Audi 80 luxury version, For USA the 4000 is either a euo marktet 80 or a 90
So most 80b2 and 90b2 parts should fit in it.

Still got the original rear window in it (with the text?)
 

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Reply #2 - Nov 17th, 2007 at 10:21am

Groundbound1   Offline
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Ivan wrote on Nov 17th, 2007 at 6:58am:
Still got the original rear window in it (with the text?)



Yup! But I guess the propper question I should have asked was, how can I find out what part to change?
 

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Reply #3 - Nov 18th, 2007 at 4:31am

Ivan   Offline
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Groundbound1 wrote on Nov 17th, 2007 at 10:21am:
Ivan wrote on Nov 17th, 2007 at 6:58am:
Still got the original rear window in it (with the text?)



Yup! But I guess the propper question I should have asked was, how can I find out what part to change?

Blame the guy who put in the wrong part...

I assume you can get the thing out of the car... put a bunch of hoses on it and try to pump around a tank of fuel... if it works, it aint the fuelpump that is broken

Else... if you know the wires that are switched by the engine management, measure if there's a current running between mass and the switched wire
 

Russian planes: IL-76 (all standard length ones),  Tu-154 and Il-62, Tu-134 and An-24RV&&&&AI flightplans and repaints can be found here
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