[DML] Re: Fuel Enrichment Circuit

["DMC Joe" <DMCJOE@xxxx>]

Ann & Ed,
As I had mentioned previously it is unlikely either unit is bad. Both items
are fairly simple with few moving parts. I will ask you the same question I
asked David. Do you hear the frequency valve buzzing while the engine is at
idle?

DMC Joe / DeLorean Services / <dmcjoe@xxxx>
Web Site: <http://www.deloreanservices.com>

----------
> From: Ann & Ed Thompson <rapparivarat@xxxx>
> To: dmcnews@xxxxxxxxxxx
> Subject: [DML] Re: Fuel Enrichment Circuit
> Date: Wednesday, June 23, 1999 6:43 PM
> 
> Joe,
> 
> My DeLorean has exactly the same starting problems that David's has.
> I suspect some sort of device has failed but I too am at a loss for
> "guessing" which one. My D has less than 10,000 on it and the 
> engine has NEVER been worked on or tinkered with until only recently.
> The starting problem began years ago. I seriously doubt a wiring
> problem or a vacuum line problem. I have all the correct answers to
> the questions you posed to David. So, now it's beginning to sound
> like either the warm-up regulator or the frequency valve has failed.
> Although you state that neither has a high failure rate, which one
> do you think would be most likely to fail if that's the case? This
> is shotgunning, but perhaps I could change one and David could change
> the other one. If one or the other works, then we will know. If
> neither works......hmmmmmmm. Then what?
> 
> BTW, how expensive are these two devices? And which one is easiest
> to replace? Could either or both be removed, disassembled, cleaned
> or repaired, and reinstalled? If so, would that be a reasonable
> alternative to replacement? If it works, it works. If not, we are
> back to square one, but nothing lost except for some time. What
> are the operational symptoms one might expect to encounter caused
> by the failure of each of these devices? If I had to describe the
> operational symptoms I'm experiencing, they would be identical to
> what David has written. I am beginning to get the distinct 
> impression that the problem we are having is rare.
> 
> Thanks for listening.
> 
> Ed Thompson (#6419)
> Midlothian, VA
> 
> DMC Joe wrote:
> > 
> > David,
> > Close your wallet, no need spending that kind of money.
> > 
> > Here are a couple of questions.
> > Are all vacuum lines properly connected ?
> > Has the CO mix ever been adjusted ?
> > Is the tamper proof plug still in place ?
> > Do you hear the frequency valve buzzing while the engine is idling ?
> > 
> > BTW both the warm up regulator and frequency valve have an extremely
low
> > failure rate, I seriously doubt that either one needs to be replaced.
> >
> 
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