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83 Audi 5000s

23 messages,  Last post on Apr 25, 2010 at 3:22 PM

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What is this discussion about? Audi 5000, Audi, Classic Cars, Coupe, Convertible, Truck, Sedan, Wagon

Messages Page 3 of 3

#15 of 23 Re: Audi 5000s [popqueen] by Mr_Shiftright HOST

Jul 16, 2009 (3:41 pm)

Replying to: popqueen (Jul 16, 2009 12:01 pm)
i *think* your PS pump has a pressure relief valve to prevent excess pressure....or maybe just the cap seal is bad?
 
As for hard starts, that could be a gazillion things, but by all means check tune up parts.
 
Also, look for a vacuum leak in the "bellows" at that comes off the fuel distributor---look way down underneath it.

#16 of 23 Re: Audi 5000s [Mr_Shiftright] by burdawg

Jul 17, 2009 (7:22 am)

Replying to: Mr_Shiftright (Jul 16, 2009 3:41 pm)
If the fluid is foamy in the resevoir I would think that there's still air trapped in the system, causing the fluid to foam up and get forced out of the breather hole in the cap.
That poor running after start up sounds like classic cold start compensator problems to me, since it sounds like it starts right up with one hit on the starter. That pretty much rules out serious ignition or tune problems. Is an 83 still carbureted? If it's fuel injected what type of injection? Bosch CIS mechanical? Or is electronic multi port?

#17 of 23 Re: Audi 5000s [burdawg] by Mr_Shiftright HOST

Jul 17, 2009 (8:52 am)

Replying to: burdawg (Jul 17, 2009 7:22 am)
Yeah that's a good idea. If that system has a separate fuel injector perhaps for cold starts, or a cold start sensor? But it's a good idea to at least check the basics in any cold start issue. A rule of thumb, which is sometimes wrong, is that a hard cold start = ignition and hard hot-start = fuel problem.
 
Another idea I had was that if you had a leaking injector, the car would start right up but run ragged until the excess fuel from the leaking down the night before, burned off.

#18 of 23 Re: Audi 5000s [burdawg] by fintail

Jul 17, 2009 (9:30 am)

Replying to: burdawg (Jul 17, 2009 7:22 am)
I am pretty sure those are FI.
 
I remember several years ago a guy tried to sell me a 5000, I think it was an 82. It was in really decent cosmetic condition, but it ran weird - I took it for a short drive just for the hell of it. It seemed to run rich - not easy to start, and you could smell the fumes...FI must have been out of adjustmennt. I could have had it for maybe $800...but I need that like I need a hole in my head. You barely see those things on the road anymore. If I wanted one, it would have to be turbo, for the full maintenance drama effect.

#19 of 23 Re: Audi 5000s [fintail] by texases

Jul 17, 2009 (9:15 pm)

Replying to: fintail (Jul 17, 2009 9:30 am)
Yes, I think that had similar FI to my '83 GTI, and it also had that enrichment injector, I think. The Bentley manual would be a good thing to get

#20 of 23 help? by minmzz

Apr 25, 2010 (2:23 pm)

I was given a 1983 Audi 5000S fuel injection. and cant find anything on it except that it was recalled in the 80's can anyone tell me anything about this?

#21 of 23 help? by minmzz

Apr 25, 2010 (2:28 pm)

or even where i can find a fuel distributor that would work on it?

#22 of 23 Re: help? [minmzz] by Mr_Shiftright HOST

Apr 25, 2010 (3:22 pm)

Replying to: minmzz (Apr 25, 2010 2:23 pm)
Oh they probably mean the recalls for unintended acceleration (changes to shift lever, brake pedals) or the recall for cracking brake line hoses.

Messages Page 3 of 3

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