Re: CIS mixture adjustment keeps getting lost. Why?

["Steve Bigelow" <sbigelow@sprint.ca>]

 Rich Andrews spoke...


> Ok, this is an '84 5k right???
> Those are not CIS but K-jetronic injection... I believe there is a
difference..

Nomenclature, I suspect. Mr. B calls it CIS.

> Yours has the exterior warm up regulator (on the driver's side of the
block)
> Two fuel lines running to it?? Correct? I had one of these stick on the
on
> position... not good same basic symptoms... after warm up there is only
> supposed to be pressure on one side of it.... try hooking up 12v and
blowing
> through it with an air gun.. if it opens release 12v and try now you
should 
> of heard a click and then no flow... if not this is your problem.

First suggestion of that. I'll certainly look into it.

> If not, check you temp sensors there was someone with a 4kq that actually

> was spitting out gas because of a bad temp sensor... 

Any idea which sensor?

> > Had Audrey in at mechanic to try and source a hard start problem. He
> > notices that the mixture is *way* rich, and corrects it. Two weeks
later,
> > it's rich as *h#ll* again, it stinks of gas on start-up and I can watch
the
> > gas gauge go down, I must be getting 10 mpg. 
> > Why would I lose the adjustment like that? I haven't touched a thing,
> > honest! 
> > BTW, it starts ok, now, except for the richness. I put a 12v panel lamp
in
> > the cold-start valve circuit to monitor it's function. Seems to be
working
> > everytime now!

Thanks,...

Steve Bigelow ICQ 22399818
Discreet Dungeons Ottawa Ontario
'84 5ks "Audrey", Zermatt silver, Husco armrest/cupholder, Bosch H4/H1
quads
'82 Coupe (previous)