Re: What could be casing this?


"Hellcat" <Hellcat.21vbl2@xxxxxxxxxxxxxxxxxxx> wrote in message
news:Hellcat.21vbl2@xxxxxxxxxxxxxxxxxxxxxx
>
> maxpower Wrote:
> > "Hellcat" Hellcat.21t090@xxxxxxxxxxxxxxxxxxx wrote in message
> > news:Hellcat.21t090@xxxxxxxxxxxxxxxxxxxxxx
> >
> > damnnickname Wrote:
> > Are you saying that you did replace the relay or didnt? and is the
> > check
> > engine lite on also?
> >
> > Glenn Beasley
> > Chrysler Tech
> >
> > Thanks Glenn for answering:
> >
> > No, I bought the new relay and installed it and it is securely bolted
> > to the frame as it should be but the trouble persists, once the van
> > is
> > warm temp at the 1/2 it triggers the fans and they never stop unless
> > I
> > switch off the engine.
> >
> > I drove it to Laredo Texas (130 miles from where I live) and the
> > engine
> > was so cold it took 1/2 a tank of gasoline so maybe the PCM was all
> > screwed up with this condition (mind you our environmental
> > temperarure
> > is 85/90).
> >
> > When I came back, I took off the 4th in row 40 amp fuse (that
> > triggers
> > the fans relay) and put a duplex wire with a switch all the way
> > inside
> > the van (I don't need the fans on the high way as I'm not towing
> > anything) and the temp needle was right at the middle all the way
> > back,
> > and my milage was less than 1/4 of tank in 130 miles.
> >
> > So I used the switch to turn the fans on when in the city, you know
> > stop & go, as when the temp would go a tinny up 1/2 way up I switched
> > the fans on, not an ideal condition.
> >
> > I have an Autozone OBD II scanner $ 80.00 bucks and it only shows
> > 1495
> > 1494 as I believe those two codes are related to the EGR, originally
> > there was a 3rd code 0700 but was corrected when I changed the Tranny
> > oil for ATF +4 it really made a difference.
> >
> > Anyway my survey is about if there could be "another" thing like
> > another relay, fuse, wire, etc to look into where I could check.
> >
> > As for the "Service Engine Soon" light has been on for almost a year
> > now and the Van never gave me any problems exept this one now, (and I
> > have driven that pretty thing for more than 10,000 miles since march
> > last year) but I think it is due to the 1495 and 1494 OBD II codes
> > showing since several months, and I guess has nothing to do with the
> > relay.
> >
> > I took the Van to the dealer, since I bought it to a particular
> > (used)
> > but frankly speaking they could not pin point the problem and charged
> > dearly, so I took the van under my "mechanical expertise" (eventhough
> > If y duck my eyes pop out, but I can stil manage).
> >
> > I am handy with tools and ohmeteres and can check via Chilton or any
> > media I can get a hold of, as long as they can show me some light (I
> > have Haynes & Chilton service manuals for this model) but they are
> > not
> > too explanatory regarding cooling and AC, as a matter of fact they
> > are
> > very Basic, and do not tell you how to adjust the Tranny Bands or
> > anything related to, if you could point me in the right direction to
> > see and learn about my 4 spd auto. tranny I will also appreciate that
> > too.
> >
> > If you can think of something that can help me out with this problem
> > by
> > checking this or that I will really appreciate it
> >
> > Thanks
> >
> > Rene Briones
> >
> >
> > --
> > Hellcat
> >
> > The coolant temperature sensor turns the fan on at 212 degrees. If
> > that
> > sensor is out of calibration it may be causing your fan to run when
> > they
> > aren't supposed to. Your would have to have a scan tool connected and
> > the
> > coolant temp sensor value watched as the fan turns on. At 210 degrees
> > and
> > lower the fans should turn off. If the sensor is just out of
> > calibration it
> > will not turn the engine lite on and will not set a fault because it
> > has no
> > idea how hot it is supposed to be.
> >
> > Glenn Beasley
> > Chrysler Tech
>
> But I did buy this sensor at a Chrysler OEM parts front desk, how can I
> tell my little Auto Zone OBD II does not check temperatrure
>
> Regards
> Rene troubled customer
>
>
> --
> Hellcat

You would have to take it to someone that has a scan toll that reads it. so
you replaced the fan relay on the frame and the coolant temp sensor?

Glenn Beasley
Chrysler Tech


.

Relevant Pages

  • Re: What could be casing this?
    ... I bought the new relay and installed it and it is securely ... >> to the frame as it should be but the trouble persists, once the van ... >> warm temp at the 1/2 it triggers the fans and they never stop unless ... >> coolant temp sensor value watched as the fan turns on. ...
    (rec.autos.makers.chrysler)
  • Re: What could be casing this?
    ... > "Hellcat" Hellcat.21vbl2@xxxxxxxxxxxxxxxxxxx wrote in message ... I bought the new relay and installed it and it is securely ... > warm temp at the 1/2 it triggers the fans and they never stop unless ... > coolant temp sensor value watched as the fan turns on. ...
    (rec.autos.makers.chrysler)
  • Re: What could be casing this?
    ... I bought the new relay and installed it and it is securely bolted ... > to the frame as it should be but the trouble persists, once the van ... > warm temp at the 1/2 it triggers the fans and they never stop unless ... > The coolant temperature sensor turns the fan on at 212 degrees. ...
    (rec.autos.makers.chrysler)
  • Re: What could be casing this?
    ... I bought the new relay and installed it and it is securely bolted ... > to the frame as it should be but the trouble persists, once the van is ... > warm temp at the 1/2 it triggers the fans and they never stop unless I ... > switch off the engine. ...
    (rec.autos.makers.chrysler)
  • Re: 93 dodge dynasty - engine cooling fan problem
    ... If you can find the main electrical distribution and relay box, it should have a label inside it that indicates which relays do what. ... You can do a quick-and-dirty test by swapping a known-good relay with the fan relay and see if that fixes the problem to eliminate that possibility. ... He asked a friend who is more knowlegable about cars about this problem, and this friend said that the problem was most likely the engine coolant temperature sensor. ...
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