[Diy_efi] Audi idle issue

[Lee M. Lemoine]

Just an off topic comment...  I find it funny its called the "most elegant
thing for fueling engines"...  I have yet to own a car with this system, but
am seriously thinking of finding an old VW or Audi just to *play* with it!
Sounds pretty neat, although diagnosing it seems to have its tricks too!

-- LL

On 2/28/06, Tom Visel <five10man at commspeed.net> wrote:
>
> Ernie, have you replaced your injector o-rings yet?  It seems that every
> CIS-injected car that crosses my shop's threshold has a poor idle.  I spray
> a little carb/throttle body cleaner around the injector ports in the
> head/manifold, and the changing RPM tells me that the o-rings have been
> baked by time, lack of maintenance, and the AZ climate.  One set of rubber
> and a short while later, the idle is almost always steady.
>
> If your engine has this kind of trouble, you can chase the CO setting all
> day and never get it right.
>
> TomV
>
>
> Ernest Buckler wrote:
>
>  One thing that messed me up setting CO with the 308's K-jet the first
>
>  time,
>
>  you have to remove the allen wrench and plug the hole then wait a couple
>
>  of
>
>  seconds before you can get a good reading,  otherwise you have an air
>
>  leak.
>
>  At first it seemed like the changes were not having any effect,  but once
>
>  I
>
>  started plugging the hole after each adjustment I could just dial it in
> perfectly.  Where are you Ernest?  My 4 gas analyzer would help if you're
> near CT.
>
> Bill
>
>  Thanks for the great offer, Bill, but I'm in WA state near the Idaho line.
> Long drive, alas.  I'll remember to plug the hole, thanks.  ONCE I get it
> running reliably again.   Starting to warm up outside around here, time to
> get after the Turbo car - I drive an 86 Audi 5000 CS beater in the snow and
> slush.  Odd thing on that one is that it's rattled since I bought it, got a
> spare engine and trans for it figuring it would blow anytime, but for 3
> years it has started every time, passes emissions easily, and the rattle
> never gets worse.  Has 237K miles on it, gets 30-32 mpg hiway, and
> everything works.   Whereas the spiffy beautiful '89 200 turbo is giving me
> fits - somedays I feel like replacing the whole CIS if I knew of anything
> that would work - I'm new to the EFI game, could not be engineering a system
> like you guys do. More realistically, as you say, don't get rid of something
> that can be made to work, so I'll keep after this, and with this recent help
> from the group, think maybe I can figure it out.
>
> Ernie
>
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--
Sincerely,

Lee M. Lemoine
http://www.turbochargedsoul.com/
'06 Subaru Legacy GT Limited - 250/250 AWD 5EAT
'93 Chevy Cavalier Z24 Convertible - 300/330 FWD 5MT (Mclaren Turbo!)
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