Re: [DML] Re: Rough running Cold
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Re: [DML] Re: Rough running Cold



 
   
  I've seen several DeLorean's do this (my own included) and the solution was one of these two:
   
  - Clogged CPR screen
  - Mixture mildly too lean, which was my problem
   
  Make sure the hose inlet screen is clean in the CPR (it's easy to clean up), and fix any vacuum leaks that may be causing your mixture to lean out.  Finally, double check the mixture screw with an exhaust gas analyzer, and don't forget to plug the adjustment screw hole.
   
  I should note, in all the cases I mention the car only ran rough when cold for a few seconds, up to maybe 2 minutes, only during acceleration.
   
  Jake Kamphoefner
  1063
  

Nathan Sobieralski <valleyrat12@xxxxxxxxx> wrote:
  My car will do this some times. I am assuming it is a tempermental 
warm up regulator.

Nathan
--- In dmcnews@xxxxxxxxxxxxxxx, "drumminscorp" 
wrote:
>
> I have read just about every post I could find on this subject but 
not 
> able to solve the problem. Car starts well. Idles fine when cold. 
Step 
> on the accellerator it coughs and tries to stall. About the time 
that 
> the vacuum cuts out from the warm up regulator the car runs fine (I 
> monitored it with a vacuum guage). I checked for vacuum leaks in 
that 
> area and do not have any. Car pulls almost 20" vacuum. I have 
replaced 
> the Idle speed computer and the cold start regulator. Any 
suggestions?
>









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