[DML] Re: Missing idle mixture screw?
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[DML] Re: Missing idle mixture screw?



Your observation does imply a missing idle mixture screw. These 
should be closed and rendered non functional on the DeLorean. A 
completely missing screw would introduce a vacuum leak effect.

Harold McElraft - 3354

--- In dmcnews@xxxxxxxxxxxxxxx, "vin4258" <vin4258@xxxx> wrote:
>
> Vin 4258 failed emissions a few weeks ago and after doing a tune 
up 
> (plugs, wires, cap, rotor, air filter, oil) it failed again today 
with 
> only minimil improvement.  Emissions tester says he thinks the O2 
> sensor is ok because emission levels pass at high RPM (the 
> sensor 'kicks in' at a higher RPM but does not affect idle 
mixture?)  
> Next option is to adust the idle mixture screw, but when I go 
looking 
> for it, it seems to be missing.  All I see is a hole with no 
apparent 
> end but I do see threads.  What is this and can I simply put in a 
> replacement screw or does this need major work?  I have never 
messed 
> with it and the car only has 7k miles on it and this is the first 
> emissions testing I have been required to get since I bought it...
> 
> thanks,
> 
> CRG
>








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