Re: [doc] couple of tech questions
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Re: [doc] couple of tech questions
- From: "blackaddertoo" <blackaddertoo@xxxxxxxxxxx>
- Date: Wed, 01 Feb 2006 00:49:54 -0000
Hi Martin
...i enjoy all the work on the car, a challenge.
and the hunting i'm not worrying about (as long as she ticks over
750-1400 rpm!!) its the running on of the fuel pump that is not
right (wiring looks stock) so will change the rpm relay anyway.
Regards
Steve
--- In doc-uk@xxxxxxxxxxxxxxx, Martin Gutkowski - DMC Ltd
<martin@xxxx> wrote:
>
> Lambda system will not raise idlespeed. Nothing to do with fuel
will
> affect the idle speed. Dodgy starting, yes, dodgy running, yes,
but not
> the idlespeed. I would next check your timing and your vacuum
advance
> mechanism.
>
> ...or stop farting about and bring it in <grin>
>
> The more you run it "wrong", the more likely you are to cause real
> damage. For example running it rich will soak the oil in fuel and
reduce
> its lubricity. You may need to change out the oil to prevent
premature
> bore wear, cam wear etc etc.
>
> Yes we stock the lambda relay - I found a source of alternatives
which
> cost the same as regular relays (£3.50 each) as opposed to Bosh's
£12.
>
> RPM relays can be repaired or alternatively they're $40 from DMC
Texas
>
> Martin
> DMC Ltd
>
> blackaddertoo wrote:
>
> >Hi Martin
> >
> >Pump ran till i cut the ignition...i think the rpm relay may have
an
> >intermittent fault.
> >
> >so do you stock the rpm and lambda relays?...might as well change
> >them as they're 25 years old anyway for a guess.
> >Maybe this is the root of my problems.
> >i did have the car running (about 1200 rpm and hunting a bit) and
> >warmed a fair bit.
> >temp guage 1/4 to 1/2, and even heater works!.
> >then stopped the engine and would not start very well.
> >jumped the cold start valve, ran then revs dropped and cut out.
> >Gas pedal did not help.
> >this is pretty strange, and i am now suspecting the lambda
system,
> >rpm relay etc.
> >will disconnect the lambda sensor (should run rich?) and i do
have a
> >dwell meter which i assume i can take a reading off the
diagnostic
> >socket.
> >i think warm should read 50-60% if i remember right.
> >
> >Regards
> >
> >Steve
> >
> >
> >
> >--- In doc-uk@xxxxxxxxxxxxxxx, Martin Gutkowski - DMC Ltd
> ><martin@xxxx> wrote:
> >
> >
> >>
> >>blackaddertoo wrote:
> >>
> >>
> >>
> >>>does anyone know the exact use of this? deos it suppress radio
> >>>interference, or make sure there is no spark at the
microswitch.
> >>>Does the D run ok without it?.
> >>>
> >>>
> >>>
> >>It's to stop the stereo going "pop" when you drop to idle. Not
> >>
> >>
> >present
> >
> >
> >>on early cars, makes no difference whatsoever with a modern
stereo.
> >>
> >>
> >>
> >>>and my d carried on fuel pumprunning when it had stalled,
untill
> >>>
> >>>
> >i
> >
> >
> >>>pulled the battery.
> >>>
> >>>
> >>>
> >>Until you turn the ignition off? Or pull the battery? If the
> >>
> >>
> >former, you
> >
> >
> >>have either got a jerry-rigged setup or the RPM relay has failed
> >>
> >>
> >(got
> >
> >
> >>one in right now with the same problem). If it doesn't cut till
> >>
> >>
> >the
> >
> >
> >>battery's pulled, there's a wiring fault somewhere and the
> >>
> >>
> >ignition
> >
> >
> >>relay is powering itself. Rich J had this problem on 2727
> >>
> >>Martin
> >>
> >>
> >>
> >
> >
> >
> >
> >
> >
> >DOC UK Website: www.deloreans.co.uk
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> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
>
> [Non-text portions of this message have been removed]
>
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