[Shotimes] HEGO sensor trouble codes

Kevin & Cheryl Airth clubairth@cajunnet.com
Fri, 28 Feb 2003 13:26:09 -0600


Hunter:
For sure check ALL the plug wells. I think who ever did your work will need
to redo part/all of it. If you are still getting oil in the plug wells get
them to replace the gaskets and this time use RTV. Some good info in the FAQ
on this along with the part number of the gasket set.
.
.



> I just had it in to get new gaskets all around and oil well seals.  I also
> cleaned the front 3 spark plugs, but haven't had time to monkey around
with
> the back ones.
>
> Hunter

>
>
> > Hunter:
> >  Have you checked the plug wells for oil? I had the same O2 errors and
off
> > and on stumbling at highway speeds. Resealed the plug wells and fixed it
> > all. This was within 10K miles of my 60K work. I reused the valve cover
> > seals and put RTV on them but apparently not enough! I used new seals
and
> > RTV when I redid it!
> > .
> > .
> >
> >
> > > Just to clarify, my sensors were packaged as Borg Warner, but the
> sensors
> > > themselves say Bosch on them.
> > >
> > > I don't think it's running rich.  I checked the codes again last night
> and
> > > also got a code for always running lean.  And yes, my CE light does
come
> > on
> > > intermittently.  Whether or not its related to the sensor, I don't
know.
> > But
> > > the only codes I pulled were for the HEGO sensors.  In the KOER test,
I
> > had
> > > the always lean code, if my memory is correct.
> > >
> > > Also, I have recently cleaned my MAF, and have ordered a used one off
> Ebay
> > to
> > > try in case mine is bad.  I do need to clean my K&N (extremely dirty),
> > > though.
> > >
> > > In regards to Mark's comments, how many wires should be on the sensor?
> > Maybe
> > > I got ATX ones instead.
> > >
> > > I do occasionally lose power at highway speeds and have to push the
> pedal
> > to
> > > the floor to get it back.  Sometimes the CE light is on, sometimes it
> > isn't.
> > > I'm really starting to wonder what else might be wrong.  I don't see
how
> > bad
> > > sensors could cause so much trouble.  But, then again, I'm no
mechanic,
> > > otherwise it would be running great.
> > >
> > > Thanks for the help, guys.  Hopefully, we can get this resolved.
> > >
> > > Hunter