[DMCForum] Re: Dead freq valve update

["cruznmd" <racuti1@xxxxxxxxxxxx>]

Dave,

I roger the bundle of grounds you're referring to, but run the jumper 
from those to -where-? Just any other good ground point?

Thanks,

Rich

--- In DMCForum@xxxxxxxxxxxxxxx, "Dave Stragand" <dave.stragand@xxxx> 
wrote:
> Try running a jumper wire to the bundle in back of the driver's side
> manifold top, directly to the battery.  Anything?
> 
> -----Original Message-----
> From: cruznmd [mailto:racuti1@xxxx] 
> Sent: Tuesday, November 11, 2003 4:02 PM
> To: DMCForum@xxxxxxxxxxxxxxx
> Subject: [DMCForum] Re: Dead freq valve update
> 
> 
> Mmmmkay....
> 
> I altered the CO screw setting in either direction. No valve action.
> 
> Disconnecting the sensor would revert to default ratio. No valve 
action.
> 
> shorting the WOT switch would revert to default ratio. No valve 
action.
> 
> Just applied AA battery to sensor lead, no valve action.
> 
> I already posted my "Holy Grail" schtick.
> 
> Again, I'm back to a "missing ground". Missing because:
> 
> 1) I have not yet found the proper ground wire for the valve and 
it's
> open somewhere.
> 
> or
> 
> 2) Because the module is faulty.
> 
> 
> 
> 
> 
> --- In DMCForum@xxxxxxxxxxxxxxx, "Dave Stragand" 
<dave.stragand@xxxx>
> wrote:
> > Rich,
> >  
> > Then you need to come up with tests to try out each hypothesis. 
> Here's a
> > couple of things to try to test the first scenario: 
> >  
> > - Change the CO mixture and note the results.
> > - Try checking the function of the O2 sensor per the manual... 
open the
> > circuit, and do the test with the AA battery
> > - Reread the section of the tech manual and come up with your own
> questions.
> >  
> > For the second scenario, I'd try:
> >  
> > - Check all of the electrical connections and grounds.
> > - Run the tests per the manual on the frequency valve.
> >  
> >  
> > -Dave
> > 
> > 
> > [Non-text portions of this message have been removed]
> 
> 
> 
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