[DML] Re: Verifying Missing CO Adjustment Screw

["content22207" <brobertson@xxxxxxxxxxxx>]

Simply open the housing and examine your teeter totter from below.
You'll see the two pieces with the shaft passing through them (air
sensor portion is to the outside, fuel piston portion is inside). If
they move independently of each other on the shaft, your CO screw is
mising. If they don't, it's there -- CO screw is what keeps them
moving together.

If your screw is indeed missing, can't figure how engine is able to
meter fuel well enough to even run.

More likely scenerio is its hex head is stripped, preventing you from
turning it.

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, Phillips Jeff Capt 333 TRS/UMAF
<jeff.phillips@xxxx> wrote:
> Bill I had faith in you that you couldn't just *partially* 
> disassemble a fuel/air mix unit!  ;)   Ok so it seems it is time to 
> take mine apart and see what I can find in there.  Now that I know 
> this is not a screw that I can simply walk into Home Depot and 
> replace combined with me going out of town for a week and not needing 
> my car for transport I have the opportunity to take her out of 
> service.  I'll let you all know what I find and Bill I may be buying 
> project #1002 from you! Right now my car runs excessively rich, to 
> the point where your eyes burn from the fumes and the gas mileage is 
> well below 19MPG, perhaps at or below 10MPG.  She is getting much 
> closer though.  Turns out my idle micro screw wasn't being triggered 
> by the screws due to their not being tight and backing themselves 
> out.  All is good in the world of vacuum advance now.  
> 
> Jeff 
> #10544
> 





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