Re: [doc] Engine "sputter"
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Re: [doc] Engine "sputter"



Mine still does this, although it's much better than it was.

Items that improved it greatly were a new metering head and a new
CPR, but it is still evident.

Regards

Robin
DOC300
#11431
1982D

--- In doc-uk@xxxxxxxxxxxxxxx, Nick Tomlinson
<nickandkathryntomlinson@xxxx> wrote:
> Also double check the solenoid.
> There should be 12v at the plug when the throttle is shut.
> connect a vac pipe to centre vac connection and suck on it.
> You shouldnt be able to suck through the solenoid.
> Open the throttle plate so that the throttle switch is not closed,
> you should be able to suck through the solenoid.
> Sometimes this sticks.
> If this doesn't work you wont get any ignition advance under load.

> Sputter could also be down to general tuning, fuel pressure, CPR,
etc.
> Bit hard to diagnose over a newsgroup.

> Good Luck.

> Regards,

> Nick.
>
> Martin Gutkowski <martin@xxxx> wrote:
> Hi Stian
>
> Get a length of vac hose and put it on the distributor diaphragm.
Suck
> on the end. You should be able to mode the diaphragm so far, then
it'll
> lock. Then letting it go, you'll hear it snap back inside the
dizzy.
> Check the vacuum's plumbed up correctly as per the diagram, and
check
> the vacuum is passing to the solenoid behind the metering head when
the
> engine's warm.
>
> COuld you tell Odd that we've been really busy in the past two
weeks,
> but we cracked on with his headliners today. UNfortunately the back
> boards were in pretty poor shape once the old covering was removed.
This
> has taken considerably longer than normal to get right.
>
> Best Wishes
>
> Martin
>
> Stian Birkeland wrote:
> > Martin - thanks for the tip, now:
> > How do one check that the vacuum advance is working?
> >
> > PS! Odd Arne says "hi", (it's his car) and wonders if his
headliners
> > are ready soon?
> >
> > PPS! I'll check the fuel line package I got from you once more to
see
> > if all the fuel hoses are there...I've been busy lately so no
time to
> > check up on that. Will do that first thing tomorrow. Take care!
> >
> > Stian
> >
> > --- In doc-uk@xxxxxxxxxxxxxxx, Martin Gutkowski wrote:
> > > Stian, tell him to check whether the vacuum advance is working.
> > It's
> > > caused by a combination of timing and lean running. Though this
> > should
> > > be taken care of by the lambda system (if fitted). If the
fuelling
> > is
> > > all working fine and the lambda system is operational, it'll be
> > timing
> > > related
> > >
> > > Martin
> > >
> > > Stian Birkeland wrote:
> > >
> > > > Hi, I'm posting this for a fellow DeLorean owner who is
> > experiencing
> > > > engine "sputter". It has been like this since he got it from
> > Sweden a
> > > > few months ago.
> > > >
> > > > The car starts fine. Idles fine. Drives off fine. But when you
> > actually
> > > > drive the car at a constant speed, and then let go of the
> > accelerator,
> > > > it sputters until you press the accelerator pedal again, then
it
> > drives
> > > > fine. This sputtering is quite annoying.
> > > >
> > > > It seems to me the fuel isn't getting where it should.
> > > >
> > > > The fellow owner has changed everything possible, ignition
wires,
> > fuel
> > > > lines, fuel filter, injectors - you name it. Double-checked
> > everything
> > > > and anything. It still sputters when driving the car. What
can be
> > wrong?
> > > >
> > > > Any help/hints/tips are appreciated!
> > > >
> > > > Thanks,
> > > > Stian B.
> > > > Norway
> >
> >
> >
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