[DML] Re: Stalling issues

["David Teitelbaum" <jtrealty@xxxxxxxxxxxxx>]

I hope that idling @ 7500 is a typo! I have to assume you meant to say
750. That is a little on the low side. Try bumping it up to 775 or
even a little more. My first guess would be the Control Pressure
Regulator aka warm-up regulator. It is supposed to enrichen the
mixture when the motor is first started up till it runs for a while
and warms up, then it leans the mixture. If it is not idling smoothly
(or at least smoothly for a Delorean!) you might have a dirty
injector, a bad ignition wire, or a misgapped spark plug. Other
possabilities include vacuum leaks, a problem with the ignition ECU,
the idle ECU, a valve adjustment, a low cylinder, etc. You need to
have all 6 cylinders working evenly to get a smooth idle. Start off by
making sure the idle motor is working and being turned on when you let
the car idle.
David Teitelbaum
vin 10757



--- In dmcnews@xxxxxxxxxxxxxxx, deloreanernst@... wrote:
>
> Happily my starting issues are resolved, but now I've developed
stalling.  
> When cold (that is, freshly started, since it isn't really "cold"
outside,) it  
> will stall when I decelerate to go around a corner or stop at a light.  
> Regardless of if I'm braking hard or practically drifting to a stop.
It never  
> really gets that "hot" since it's only a 7 minute drive to work. 
> Addition info: fuel system (hoses) are newish and look fine. Tank is  
> definitely full of new gas, so it isn't a "low tankful  sloshing"
issue.  Usually 
> will restart immediately, although yesterday it stalled twice at
stop  lights on 
> the way home, and wouldn't restart until I let it rest about two 
minutes. The 
> car in back of me each time probably thought Marty McFly was 
banging his 
> head on the steering wheel.  :-p
> BTW, it idles rough too, at a steady 7500 rpm. "Brump. Brump. Brump.
 Brump." 
> No hunting, although it used to.  And when I accelerate hard, it 
sounds like 
> it's sucking air. "Thuh. Thuh. Thuh. Thuh. Thuh."  Plugs,  wires,
coil, rpm 
> relay, most vac lines are pretty new. 
> I figure these are probably related issues. Any suggestions where to
start  
> looking?
>  
>  
> Wayne A.  Ernst
> vin 11174
> 
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> [Non-text portions of this message have been removed]
>



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