[DML] Re: Engine Dies at idle HELP!
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[DML] Re: Engine Dies at idle HELP!

  I can't remember if you ended up getting a fuel pressure gauge while
you were hunting for the cause of your failed emmissions.  If you've
got one, hook it up and watch your fuel pressure.  If you don't have
one yet, I strongly suggest getting on as it will take out a lot of
  All your noises sound normal, the "hunting idle" seems to be a
hallmark of our cars.  I will conquer it one day though *sticks flag
in sand!!*  Ahem...
  Get someone to help you, remove the air cleaner assy. and have them
start the car up while you stand by the engine (all the usual warnings
apply here, don't get run over, don't wear ties or loose clothes,
don't touch hot things, don't lick the drive belt, etc.) Twist the
throttle pulley slightly and press down very  slightly on the metering
plate (that 6" or so disk on top center under the air cleaner housing)
this will admit more fuel, careful a little bit goes a long way.  If
the engine runs better, you might be too lean, though we don't know
the cause yet.  If it runs worse, it's too rich.  Again, we don't know
the cause.  Be careful when pressing down the plate, you just barely
need to move it.  If you push too much, and admit too much fuel the
engine will run poorly anyway.

Matt Smith

--- In dmcnews@xxxxxxxxxxxxxxx, "valleyrat12" <valleyrat12@xxxx> wrote:
> Hello all,
> My car is manifesting a new problem. The car will start then idle at 
> 1000 rpm for about 10-15 seconds then die.  If i push on the 
> accellerator or turn the spindle the engine will abruptly die.  If the 
> car manages to stay running for about thirty seconds I can turn the 
> spindle and the engine will begin to respond, first coughing and 
> bogging down, then eventually respond like normal.  (once warm??) 
> What the heck is this? I searched the archives and the closest thing I 
> can come to is that it may be related to the control preassure 
> regulator. I removed the fuel line going from the center of the fuel 
> dist. to the CPR and the screen had a some dirt around the edges. I 
> removed it, still has this problem.  I drained my battery twice so far 
> trying to solve this!
> Since I am relatively new to the Delorean I must also ask this:  When 
> the key is turned to the "on" position I hear a click and a buzz (I 
> think the frequency valve) then the buzzing stops and will not start 
> again until I turn the crank. I removed the cover from the RPM relay 
> and confirmed that the click is from that relay. Is this a normal 
> condition? Also when the engine is running the sound of the frequeency 
> valve changes and immediately causes the idle to fluctuate up and down 
> (300 RPM or so) with the change in sound.  Normal, or $&#@*& up?
> Alot, I know but this newby needs the help! Thanks!
> Nathan
> 2277

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