[DMCForum] Re: Attn: Bill Robertson!!!!!/Dead freq valve

["cruznmd" <racuti1@xxxxxxxxxxxx>]

Done that already. no joy.


--- In DMCForum@xxxxxxxxxxxxxxx, id <ionicdesign@xxxx> wrote:
> I had this problem and it was my Lambda relay. check your relay with
another and see if the problem persists.
> 
> Mark
> 
> cruznmd wrote:
> 
> > Bill,
> >
> > I hope you're not leaving until Wednesday. I desperately need that
> > Lambda module for testing.
> >
> > I know the ECU's never die but this may be that rare case. I noticed
> > my idle drop to the point where the car barely runs, when I step on
> > the pedal it takes a long while for the engine to rev. Big smell of
> > fuel. Engine is flooding.
> >
> > I checked the freq valve and it's no longer buzzing. The circuit is
> > dead. When the engine is running, no power on the freq valve
> > connection. When I jumper 30 & 87B, the valve should buzz, no power.
> > (that's 87B, not 87 for the fuel pump. I've done this before)
> >
> > As people have pointed out, it's a switched ground. The hot lead has
> > power but the ground is not switching. I can manually ground the freq
> > valve and hear it switch once.
> >
> > So, it's like the lambda module is not switching the freq valve ground
> > to make it buzz. I've checked the RPM relay. I removed the cover and
> > watched the contacts close. I jumpered 30 & 87B and that didn't power
> > the valve either.
> >
> > Either the ground wire is broken somewhere or the module is bad. Any
> > other suggestions are welcome.
> >
> > Rich
> >
> >
> > To unsubscribe from this group, send an email to:
> > DMCForum-unsubscribe@xxxxxxxxxxxxxxx
> >
> >
> >
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