CIS cold start/idling problem

[Jim Jordan]

Hi E,

You didn't mention the model;  unless it is implied in your email address:
200Q20V.  If so, it has KE-Jetronic fuel injection control;  it is also
called CIS-E.  The Bosch Fuel Injection & Engine Management book by Charles
O. Probst will help with troubleshooting your problem as well as the
Bentley.  If you can do so, read the fault codes.  Better to pinpoint the
problem before you start replacing parts, used or otherwise.

HTH.

Cheers!

Jim Jordan
 

>  -----Original Message-----
>  From: Eyvind Spangen [mailto:200q20v at bluezone.no] 
>  Sent: Wednesday, August 31, 2005 11:58 PM
>  To: quattro at audifans.com
>  Subject: CIS cold start/idling problem
>  
>  I have a problem with an old Audi with CIS system. It will 
>  run and idle just fine when warm, but when cold, it is kinda 
>  hard to start and won't stay idling if I don't keep my foot 
>  on the gas. Driving it when cold seems ok. It seems like 
>  it's not getting a richer mixture when cold. Cap, rotor, 
>  wires and plugs are brand new, all filters too, and I've 
>  checked all the small hoses etc. for air leaks. If i richen 
>  the mixture a bit on the fuel metering head, it'll run fine, 
>  but then the CO value is far too high when warm. (I have 
>  access to an exhaust gas analyzer) I suspect the control 
>  pressure regulator (warm-up-regulator) is bad, any comments 
>  on this before I go to the junkyard and get one?
>  
>  --
>  E. Spangen
>  
>  
>  

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