[Peugeot-L] Re: 87 505 N9TE Cold Idle Problem
Hi Gary,
Sounds like you misunderstood my post, the car ran fine after the head
replacement, I only got this problem after retorqueing and adjusting
the valves. So I think they must have been reattached correctly after
the head replacement, and when I took off the valve cover I didn't
detach anything electrical, so they should be OK. In checking the
connections per Mike A's instructions yesterday I disconnected each
joint one at a time so I couldn't have mixed them up.
Thanks, Dave Towle
- In peugeot-L@yahoogroups.com, gary freeman <riven2649@y...> wrote:
> Dave,
>
> Since this problem occurred only after you had per-
> formed the head job, the first things to look at are
> what could have been changed during the work. My
> first thoughts are those complicated two pin conn-
> ectors with the wire clip around them(they're
> callled
> Bosch connectors as they're for all the fuel inj.
> connections) as on most cars they are color coded
> to the connector on the device itself, or the tab
> is offset differently so that they can only be con-
> nected to the correct device; but some car companies
> don't bother about that and the French are well
> known for those lapses. So what I'm saying, is be
> sure you have those reconnected to the proper device
> as if they're not, those devices(such as the aux air
> valve) will not work properly.
>
> Good luck.
>
> Gary Freeman
>
> --- pyoung <bf135@s...> wrote:
>
> > Dave,
> > Is the auxilary air valve wiring working? It could
> > be that the valve is
> > not being electrically closed when cold but once the
> > manifold gets warm
> > enough heat induction would keep it shut.
> > Do you have the workshop manual for the n9txx
> > engines?
> >
> > Peat
> >
> >
> > On Jul 11, 2005, at 6:12 PM, Dave Towle wrote:
> >
> > > Hi Mike and anyone else who can help,
> > >
> > > - PCV hose looks fine.
> > > - I checked the air intake boot all around with a
> > mirror, couldn't see
> > > any problems although its hard to see in the
> > folds. I felt around it
> > > too.
> > > - On the thermostat there's 4 individual sensor
> > wires, on these I
> > > polished the prong and tightened up the female
> > side and used a drop of
> > > VW's Stabilant (discussed on this list a year or
> > two ago as a great
> > > way to improve electrical conections).
> > > - There's also 2 fancy connectors held on by a
> > wire clip, each with 2
> > > small connections inside, all I could do with
> > these tiny things was
> > > make and break the contact a few times hoping that
> > would clean them
> > > up. They looked nice and shiny from the beginning
> > though.
> > > - I assume the air temp sensor is the one in the
> > curved part of the
> > > inlet, I cleaned this up like the individual
> > thermsostat wires above.
> > >
> > > So I did all this stuff and no change to the cold
> > start problem. And
> > > by the way I haven't seen this create any light
> > flashing codes.
> > >
> > > It seems this is likely a problem with the ECU
> > thinking the engine is
> > > warm when it is actually cold, right? Is there
> > any easy way to test
> > > this by convincing the ECU that the engine is
> > cold, like grounding one
> > > fo the above wires, or directly connecting 2 wires
> > to bypass a sensor?
> > >
> > > Thanks, Dave Towle
> > >
> > > --- In peugeot-L@yahoogroups.com, "Mike Aube"
> > <maube@i...> wrote:
> > >> Check the PCV hose, air intake boot, from AFM to
> > turbo, all the
> > > electricall
> > >> connections around the thermostat housing and air
> > temp sensor on
> > >> intake
> > >> ----- Original Message -----
On
> > >> From: "Dave Towle" <davidtowle@m...>
> > >> To: <peugeot-L@yahoogroups.com>
> > >> Sent: Saturday, July 09, 2005 1:09 PM
> > >> Subject: [Peugeot-L] Re: 87 505 N9TE Cold Idle
> > Problem
> > >>
> > >>
> > >>> Hi,
> > >>> The throttle body seal appears good, might have
> > been just replaced
> > >>> (can't remember for sure). To make sure I
> > sprayed ether all around
> > >>> it
> > >>> and the other connections on the manifold and
> > got no audible change
> > >>> in
> > >>> rpm (at idle the whole manifold is under vacuum,
> > right? just
> > > making sure).
> > >>>
> > >>> Any other ideas?
> > >>>
> > >>> Thanks,
> > >>> Dave Towle
> > >>>
> > >>> --- In peugeot-L@yahoogroups.com, <peugeot@m...>
> > wrote:
> > >>>> Take a look at the throttlebody the seal to see
> > if it is sucking
> > > air.
> > >>>>
> > >>>>
> > >>>> ----- Original Message -----
> > >>>> From: "Dave Towle" <davidtowle@m...>
> > >>>> To: <peugeot-L@yahoogroups.com>
> > >>>> Sent: Friday, July 08, 2005 4:19 PM
> > >>>> Subject: [Peugeot-L] 87 505 N9TE Cold Idle
> > Problem
> > >>>>
> > >>>>
> > >>>>> I retorqued the head and reset the valve
> > clearances after
> > > Mike Aube
> > >>>>> did a nice job replacing my car's head (among
> > other fixes).
> > >>>>> Unfortunately this has given me 2 new
> > problems, a)oil leaks (for
> > >>>>> which the solution is obvious, try again) and
> > b) I lost the
> > > cold idle.
> > >>>>> Each time I try to start the car, everything
> > seems fine at
> > > first with
> > >>>>> the engine going to normal idle speed, then
> > after 4 to 6
> > > seconds the
> > >>>>> speed starts dropping, and it soon stalls once
> > it gets below
> > > 500 rpm.
> > >>>>> Once the engine is warm all is fine.
> > >>>>> Now the only way I could figure out to get
> > the valve cover
> > > on and
> > >>>>> off was by loosening the white plastic gadget
> > on the throttle
> > > plate
> > >>>>> shaft that cradles the throttle wire. When I
> > was done it
> > > seemed to
> > >>>>> only pop into one position so I don't see how
> > I could have
> > > changed its
> > >>>>> alignment or anything, but I'm not 100% sure.
> > I also had to
> > > remove
> > >>>>> one of the 2 screws for the bracket that holds
> > the throttle
> > > cable in
> > >>>>> alignment with the white gadget.
> > >>>>> Any suggestions on what a neophyte can do to
> > trace this
> > > problem out?
> > >>>>>
> > >>>>> TIA,
> > >>>>> Dave Towle
> > >>>>>
> > >>>>>
> > >>>>>
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Received on Tue Jul 12 17:53:03 2005
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