Re: SOLVED !!!!!!!!! Re: [doc] Please help with engine Idle speed when warm ok, when cold hunts and stalls.

[Paul Salsbury <paul.salsbury@xxxx>]

Yep

I'll get it for you tonight as I drive past.

Anyone passing Dave Howarths in the next few weeks
then driving doen the A1. He has a steering rack for
me.

Cheers
Paul

--- Nick Tomlinson
<nickandkathryntomlinson@xxxx> wrote: > 
> To Paul,
> Any chance you can give me the address of the
> breakers? I need a warm-up regulator for mine. The
> BOSCH number I have on my regulator is: 0438140066
> Thanks in advance,
> Nick.
> Paul Salsbury <paul.salsbury@xxxx>
> wrote:I may be able to help here.
> 
> Are these the same Idle control units and Lambda as
> the Volvo uses. If so which one as I have a Volvo
> specific Breaker about 3 miles from my house, and
> I'll
> see if I can get one of each.
> 
> Paul
> 
> --- Nick Tomlinson
> <nickandkathryntomlinson@xxxx> wrote: > 
> > To Kevin, 
> > I haven't as yet but I will this weekend as I
> > haven't reglued the box back together yet. I will
> > post them on here. I didn't have time to re-do a
> > wiring diagram, i fixed it using my repair head
> not
> > my electronics one. I'd be happy to repair anyones
> > ecu unit if they post it to me. I did buy enough
> > chips for 2 units, but I warn that the case will
> > have to be cut from underneath. I did mine in
> anger
> > as i knew it was faulty and was going to buy a new
> > one. I did solder in sockets so if I did this for
> > anyone and it failed again then all I would have
> to
> > do was send them new chips. If you have one then
> I'd
> > do yours for you, if many people want them doing
> > then I'd buy the chips in bulk (cheap enough
> anyway)
> > and fix them for them. At least I now have a car
> to
> > test them !!! If you are interested in the makup
> of
> > the ecu let me know and I'll post the datasheets
> on
> > here. A spare is a great idea.
> > If anyone has a 'spare' lambda ecu that doesn't
> mind
> > it being taken apart/ broken I could inspect this
> > and see how easy it is to repair these.
> > Most electronics of this era use standardised
> chips
> > so I hope this is the same.
> > Regards,
> > Nick.
> > "kevin_sar <k@xxxx>"
> <k@xxxx>
> > wrote:Hi Nick
> > 
> > When you took the ECU apart did you take any
> > pictures of the PCB from 
> > the top or the bottom. If any one has an old one
> it
> > may be worth 
> > reconing it so other members can try one that
> > actually works. It 
> > could then save a lot of problems. 
> > 
> > Did you manage to work out the circuit diagram.
> > 
> > Thanks for letting everyone know how you fixed it 
> > 
> > Kevin
> > 
> > --- In doc-uk@xxxxxxxxxxxxxxx, Nick Tomlinson 
> > <nickandkathryntomlinson@xxxx> wrote:
> > > 
> > > I've sorted my idle speed problem out !!!!!!!!!!
> > Bad news and good 
> > news. Bad news was that it required a new idle
> speed
> > ecu. Are these a 
> > common failure? Seeing as though I needed a new
> one
> > I decided to take 
> > the old one out and have a look inside (I did
> > electronic engineering 
> > for my degree and I don't get out much ! ) The
> case
> > is definately NOT 
> > designed to come apart easy so I had to cut it
> open.
> > I did this 
> > underneath so if glued back together it would
> appear
> > original when 
> > screwed back in place behind the drivers seat. I
> > looked at the 
> > components inside and couldn't believe how basic
> it
> > is, well, 
> > compared to new ones anyway. Good news, after some
> > quick checks on 
> > the transistors and looking for dry joints on the
> > circuit board I 
> > decided to see if you could still get the IC's
> > (chips). I recognised 
> > 3 out of the 5 straightaway (I said I don't get
> out
> > much) and with 
> > some quick cross matching with the others I made a
> > list. I also 
> > decided to get plug in sockets for the chips so I
> > could change them 
> > quick in the future (no jokes here please about
> > being made in Japan 
> > or substituting them for 1950's valves). Guess how
> > much? Approx £3.50 
> > for the lot from Farnells. The question is, did it
> > work? Answer YES 
> > IT DOES. I am now a happy bunny with a lovely
> > running engine, well, 
> > apart from the rich mixture at startup. I think
> I'll
> > strip down the 
> > warm-up regulator at the weekend for a look. I
> > managed to borrow a 
> > digital pressure indicator from work so I will
> test
> > all my fuelly 
> > bits this weekend (assuming I don't get called
> out)
> > Wish me luck! 
> > btw, I bought enough chips to do 2 ecu's. If
> anyone
> > wants me to have 
> > a go at repairing thiers then let me know. If this
> > is a common 
> > failure then I may have some work on with the club
> !
> > If anyone wishes 
> > to do the same, i have supplied an excel
> spreadsheet
> > with the order 
> > codes and prices from Farnells. Please note that a
> > minimum order is 
> > probably required, I bought a new soldering iron
> at
> > the same time.
> > > 
> > > 
> > > Nick.
> > > 
> > > "nickandkathryntomlinson
> > <nickandkathryntomlinson@xxxx>" 
> > <nickandkathryntomlinson@xxxx> wrote: To All
> > Delorean Tech-heads.
> > > Please excuse me if you have heard of this
> problem
> > before but I am 
> > > fairly new to the world of Delorean ownership.
> > > 
> > > I have a problem with the idle speed on my car
> > (Automatic) when the 
> > > engine is cold. It also appears to run rich
> > although this maybe 
> > > associated with this problem.
> > > I have just tuned the engine and have performed
> > the following 
> > > changes/ tests.
> > > 
> > > Changed spark plugs (plug gaps set to
> 0.68-0.70mm)
> > > Checked throttle is fully closed (including
> > checking the throttle 
> > rod)
> > > Checked microswitch engages correctly and is
> > electrically OK.
> > > Checked Distributor timing and vacuum advance
> shut
> > off solenoid.
> > > Checked Fuel Canister purge valve/ isolated
> carbon
> > canister 
> > (removed 
> > > and plugged hoses)
> > > Changed Lambda/O2 sensor
> > > Checked Frequency valve `buzzez'
> > > Checked Supply voltage and earth return at Fuel
> > Control Pressure 
> > > Regulator.
> > > Checked for 35 ohm resistance for Fuel Control
> > Pressure Regulator 
> > > heater.
> > > Adjusted Fuel Distributor flap so frequency
> valve
> > duty cycle 
> > > oscillates between 32 and 45 on a dwell meter.
> > (Note I have re-
> > > plugged the adjustment hole when taken a
> reading).
> 
=== message truncated === 

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