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 Mon Jul 11 18:15:26 2005
