RE: [doc] Non Start - Advice Please
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RE: [doc] Non Start - Advice Please



Without wishing to sound like a stuck record/patronising or
condescending or any of those other things that happen through
misinterpreted emails,
You *have* checked all your fuses right? Particularly 1&7...

A working rev counter is not necessarily an indication of a working RPM
relay, since they share the same signal line, however, a working fuel
pump when cranking -is- a sign the RPM is working (at least partially)

There is this strange obsession with the cold start valve/thermo time
switch being the root of all evil when it comes to non-cold-starters, I
know of at least two cars that start perfectly well without the cold
start valve connected!

Do some pulling and re-plugging of fuses and relays, crappy connections
here are the common cause of electrical failures....

Rich H
DOC 365 VIN 1274


> -----Original Message-----
> From: Robin Simpson [mailto:rps@xxxxxxxxxx]
> Sent: 26 March 2005 20:12
> To: doc-uk@xxxxxxxxxxxxxxx
> Subject: Re: [doc] Non Start - Advice Please
>
>
>
> Hi All
>
> Well, had an hours worth of fiddling before it got too cold and too
> dark and still nothing !
>
> Swapped the regulator plug to the cold start valve which made no
> difference, pump is definately working, RPM relay is working as the
> revcounter works when cranking, there is power to the coil, and
> theres a fuel smell after continued cranking.
>
> Am gonna get an assist in the morning and see if we've got sparks to
> the plugs, and if so I have no idea !
>
> All the fuel filters we changed less than 3000 miles ago as was all
> of the injectors, metering head, fuel pressure regulator and coil.
>
> Will keep you posted.
>
> R
>
> --- In doc-uk@xxxxxxxxxxxxxxx, "nick12dmc" <Tammyfew@xxxx> wrote:
> >
> > I have had similar problems with LJH. Warren a DMC Houston
> > advises checking the electrical connectors on the cold start valve
> > and the thermo time switch. The spade connectors can push up into
> > the plugs and cause intermitant starting.
> > Another area to check is the fuel tank, The fuel pump may be working
> > but check its pumping fuel and the filter screen or pick up hose
> are
> > not cloged. This causes reduced fuel pressure which is LJH's
> problem.
> > When I get chance I will have to do some tank diving.
> > (oh and check the fuel pump fuse just in case its that)
> > Regards
> > Nick H
> >
> > --- In doc-uk@xxxxxxxxxxxxxxx, "Richard" <dickyh11@xxxx> wrote:
> > > It'd still start without it, you'd just have to crank it a little
> > more.
> > >
> > > I'd bet diamonds it's electrical, let us know how you get on when
> > you
> > > get home
> > >
> > > Rich H
> > > DOC 365 VIN 1274
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: Robin Simpson [mailto:rps@xxxx]
> > > > Sent: 26 March 2005 13:18
> > > > To: doc-uk@xxxxxxxxxxxxxxx
> > > > Subject: Re: [doc] Non Start - Advice Please
> > > >
> > > >
> > > >
> > > > Hi Rich
> > > >
> > > > > Unlikely, the thermo time switch fires your cold start
> injector
> > to
> > > > > assist with a cold start....
> > > >
> > > > Exactly - it won't cold start.
> > > >
> > > > Pump is definately running.
> > > >
> > > > Am at work so can't have a play about until later.
> > > >
> > > > R
>
>
>
>
>
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