Fw: [DML] Re: more info on my car...
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Fw: [DML] Re: more info on my car...



----- Original Message -----
From: "chris" <chris@xxxx>
To: <dmcnews@xxxxxxxxxxxxxxx>
Sent: Monday, March 26, 2001 12:26 AM
Subject: Re: [DML] Re: more info on my car...


> In the technical manual it states the system has 29 gallons per hour
running
> thru the system which is basically 2 litres a minute. If Andy had 2 litres
> back in a minute then all is OK and start checking the Control Pressure
with
> a gauge.
> If there was a blockage then in 1 minute there would obviously be less
fuel
> back to the pump, if more than 2 litres then either the pump is working to
> hard or the primary CPR needs adjusting.
>
> A little tip DMC Joe gave me....Pull out the injectors and putting them
> into jars, then run the fuel pump. When the air flow sensor is closed the
> injector should be closed with maybe just a SMALL amount of fuel forming
on
> the injector. Then as soon as you touch the air flow sensor the injectors
> should start spraying (cone shaped), and be proportional to the pressure
on
> the air flow sensor.
>
> If the CPR was faulty this could cause the car to run rich all the time
and
> like David mentioned cold start/cold acceleration problems.
>
> Like David said Andy needs to eliminate the Control pressure by using a
> gauge (as per workshop manual ) connecting it inline with the fuel line
from
> the top centre of the fuel distributor and the CPR ( left hand rocker
cover
> behind the oil filler ).
>
> A quick test of the Lambda system.. Andy said it was buzzing so when the
car
> is at running temp, press and hold the microswitch by the throttle spool
and
> the engine tone should change and the FV will buzz at a constant.
>
> I thought at first you had opened the fuel distributor, just a note do not
> remove the 3 screws that hold the 2 parts of the distributor together.
Once
> you open it you will never get it to seal again and you will need to spend
> $500 to get it repaired by a Bosch centre.
>
> regards
>
> Chris Spratt
> Vin 16327
> DOC UK
>
>
> ----- Original Message -----
> From: <jtrealty@xxxx>
> To: <dmcnews@xxxxxxxxxxxxxxx>
> Sent: Sunday, March 25, 2001 10:34 PM
> Subject: [DML] Re: more info on my car...
>
>
> > Just because you are getting fuel flow from the return line doesn't
> > mean it isn't restricted. You NEED to get a gauge setup on the car so
> > you can find the source of the problem. I think you will find it to be
> > either a resticted return line or a stuck Primary Control Pressure
> > Regulater. The warm-up regulater is the control pressure regulater on
> > the left valve cover and the primary control pressure regulater is on
> > the side of the fuel distributer. If you assume the test you performed
> > gave you 2 liters of fuel when you should have had 3 then you would
> > know with certainty that the line is blocked. Unfortunatly I do not
> > know the return flow rate so I don't think that is a valid test. If
> > the system pressure is too high it can only mean that the Primary
> > control pressure regulater either isn't working or the return line is
> > restricted or blocked. I think the regulater you took apart is the
> > control pressure regulater (warm-up regulater) and I don't think it is
> > the source of your troubles. Failure of this component usually results
> > in hard cold start conditions and trouble with cor fuel
> > enrichment.
> > David Teitelbaum
> > vin 10757
> >
> >
> > --- In dmcnews@xxxx, Soma576@xxxx wrote:
> > > Hey All,
> > >
> > > today i took off my control pressure regulator and opened it up. it
> > appears
> > > to be quite clean, and the screen is clear. i only unscrewed the
> > bottom four
> > > screws and checked it in there. i blew air thru the vacuum nipple
> > on the
> > >
> > > Andy
> > >
> > > Soma576@xxxx
> > > 1982 DeLorean DMC-12 VIN#11596
> > > Fargo, ND 58102
> > >
> > >
> > > [Non-text portions of this message have been removed]
> >
> >
> >
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> >
>
>
>
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