correct me if i'm incorrect but it's a dealer item only

PC Medic wrote:

> "Bret Knol" > wrote in message
> . ..
> > "Bret Knol" > wrote in message
> > .. .
> >> "PC Medic" > wrote in message
> >> news:Kidte.89151$yV4.30309@okepread03...
> >>>
> >>> "Bret Knol" > wrote in message
> >>> . ..
> >>> > Hi all!
> >>> >
> >>> > Two days ago I replaced the cap, rotor and wires on my '99 Dodge
> >> Caravan,
> >>> > 3.0. (38,000 miles) Today, the Service Engine Soon light came on.
> >>> > Since
> >> it
> >>> > is still covered by the Extended Warranty, I made an appointment to
> >>> > have
> >>> > it looked at, along with having the clockspring recall done on Monday.
> >>> > I double and triple checked my work, looking to see if maybe I
> >>> > incorrectly wired the cylinders (this checks OK) or made some other
> >> basic
> >>> > mistake, but could not find any problem. The van seems to run fine. I
> >> may
> >>> > go up to the nearest AutoZone and see if they will scan the codes for
> >>> > me
> >>> > to see what the problem may be.
> >>> > My question to the group is: Does anyone know of a common
> >>> > problem/error/reason why the light should come on so soon after doing
> >> the
> >>> > wires/cap/rotor? Or, is this probably just coincidence?
> >>> > I know it is difficult/impossible to say without knowing the codes.
> >>> > I
> >>> > would just like to know if anyone might have some insight on this.
> >>> >
> >>>
> >>> I am assuming the car still runs without issue and keep in mind that
> >> without
> >>> seeing the codes it is just a guess at this point.
> >>> With that said (and though it would be quite early on), I would make my
> >>> first one O2 Sensor.
> >>> A couple other responses I have seen regarding low end plug wires I
> >>> would
> >>> find doubtful. One, if this were the cause there would most certainly be
> >>> a
> >>> change in how well the car ran (hesitation, rough idle, something) and I
> >> do
> >>> not see where it would set a code. Now the possibility of a BAD
> >>> wire/plug
> >>> could cause this I suppose, but again, you would notice a difference in
> >> the
> >>> way the vehicle ran and you make no mention of this.
> >>>
> >>> Try pulling the codes from the ignition switch (On, Off, On, Off, On).
> >> This
> >>> should cause a sequence of grouped flashes of the check engine light.
> >>> Each
> >>> group separated by a short pause. For example: 1, 2, 2, 1, 5, 5, would
> >> work
> >>> out to code 12, 21, 55
> >>> 12 = PCM power loss or battery recently disconnected (tends to show
> >>> with
> >>> other codes for odd reasons)
> >>> 21 = O2 Sensor
> >>> 55 = End of codes
> >>>
> >>> Have you double checked all the wire harnesses around where you were
> >> working
> >>> to be sure you did not knock one loose while doing the tune-up?
> >>>
> >>>
> >>>
> >>>
> >>>
> >> Yes, the van runs quite well now.
> >> Yes, I did check the wiring around where I was working, just to make sure
> >> I
> >> didn't do something stupid, and found nothing out of place. Of course,
> >> this
> >> does not guarantee that I didn't do something stupid, but if I did, I
> >> can't
> >> find it.
> >>
> >> I will check around the O2 sensor and see if I can find anything amiss.
> >> Failing this, I will, no doubt, find out tomorrow when I bring it in to
> >> the
> >> dealer for warranty and recall repair.
> >>
> >> I was under the impression that the on-off-on-off-on-off did not work on
> >> after the '96 model year. (It works fine on my '92 Dynasty). Am I wrong
> >> in
> >> this assumption? I'll have to check it out.
> >>
> >>
> >
> > Well, got a call back from the dealer. The light was set because the
> > cooling fan relay had shorted. OK, so it was not anything I did, but just
> > a co-incidence. The bummer part about this is that this part is not
> > covered by my extended warranty, and I have to pay to get it fixed.
> > ($275.00).
> > My next investment will be in a OBD II code scanner and a FSM for this
> > vehicle.
>
> Fan relay $275 !!!!!
> Pick one up at Advance or AutoZone and pop it in yourself.