[Shotimes] Re: Temp. Sensor(Outside Temp.)
Ron Childs
rbchilds@pacbell.net
Mon, 7 Apr 2003 20:57:32 -0700 (PDT)
Isn't there one more connected to the SHO logo on the
passenger side dash that measures inside temp?
-Ron Childs '91
--- James White <greensho@crown.net> wrote:
> There are 5 sensors that measure temp on the SHO:
>
> A) The gauge sensor. A $4 part at AZ. Connected
> only to the gauge and not
> very accurate or long lived.
>
> B) The ECT sensor. Connected only to the engine
> computer. They rarely go
> bad and seem to be rather accurate, telling the
> computer how much gas to
> feed the motor when cold or hot.
>
> C) The water temp sensor for the climate control.
> All that this does is to
> keep the blower off until the coolant is warm enough
> to have heat to the
> inside of your SHO.
>
> D) The intake air temp sensor. It sits in the air
> filter box and feeds the
> motor computer so it meters fuel properly.
>
> E) The ambient air temp sensor. This feeds only the
> climate control, so you
> can see how cold (or warm) it is outside. The
> climate control will go to
> full cold or to full hot when it malfunctions. Rare
> that they go bad, but
> when they do, you have to over-ride them with either
> a max cool or a max
> heat setting on the climate control.
>
> All of the above have no connection with actual
> overheating. First assume
> the gauge sender is bad and replace it. Cheap!
>
> The electric fan motor could be bad. It only comes
> on at low speed if the
> A/C if off and the motor is close to hot. Or if the
> A/C is on, but still
> only at low speed. You will have to either get the
> fan motor rebuilt at a
> motor shop or get one out of a salvaged SHO. Try Al
> Fitz. As for the
> relay, they are only rarely repairable, so pop for a
> new one from Ford.
> $100+
>
> Another thing to look for is the air deflector at
> the subframe. They
> frequently get knocked off. The result is
> insufficient air through the
> radiator. Remember that the radiator is marginal
> when new. A little
> deposit will impede flow and cause overheating. Try
> radiators.com for a new
> one. Also the fins on the A/C coil are really fine,
> hold a lot of junk and
> are easily mashed by junk to limit air flow. Maybe
> you will have to clean
> and get a comb to straighten them?
>
> Jim White - greensho@crown.net
> Valparaiso, Indiana
> '93 5 SPEED 278k few mods
> '95 5 SPEED 241k lots of mods
> "double clutch" it's good for both you and your SHO
>
> ----- Original Message -----
> From: <fwhittle@mindspring.com>
> To: <shotimes@autox.team.net>
> Sent: Monday, April 07, 2003 8:06 PM
> Subject: [Shotimes] Re: Temp. Sensor(Outside Temp.)
>
>
> > Wow--that's uncanny! I just went out to my car,
> which is sitting with the
> hood up to help it cool off, to look at said sensor.
> It looks exactly like
> the sensor I just bought that's supposed to be the
> ECT sensor. Although,
> looking at the picture in the Helms, the ECT sensor
> looks like what I
> bought. The receipt, however, says "Ambient Temp
> Sensor". What gives?
> I've got a Borg Warner part #WT381, which was
> indicated as the interchange
> for the Wells SU201. It's black plastic, with a 2
> prong connector inside
> the top. Is this the ECT sensor that goes in the
> water outlet connection?
> By the way, my symptoms are: temp gauge reads low
> side of normal on the
> freeway, but overheats (all the way above the
> "normal" range) in stop and go
> traffic. When I get a long stretch of road where I
> can get up to over 40
> mph, the temp goes down fairly rapidly. Turning on
> the AC doesn't seem to
> help. Is this the part I need to correct this?
> >
> > Thanks.
> >
> > Frank Whittle
> > '95 ATX
> >
> > From: "James White" <greensho@crown.net>
> > To: <shotimes@autox.team.net>
> > Subject: Re: [Shotimes] Temp. Sensor(Outside
> Temp.)
> > Date: Mon, 7 Apr 2003 09:57:04 -0500
> >
> > Sorry that I forgot to indicate where outside temp
> sensor was.
> >
> > About 3" to the right of the hood latch. On a
> bracket that is about 3"
> > long.
> >
> > regards, Jim White - greensho@crown.net
> >
> > ----- Original Message -----
> > From: "Kevin M. Bisch" <kevin624@bellatlantic.net>
> > To: "James White" <greensho@crown.net>;
> "Johnsho92"
> > <john_sho92@yahoo.com>;
> > <shotimes@autox.team.net>
> > Sent: Monday, April 07, 2003 7:54 AM
> > Subject: Re: [Shotimes] Temp. Sensor(Outside
> Temp.)
> >
> >
> > > Where is this sensor located exactly?
> > >
> > > Thanks,
> > >
> > > Kevin Bisch
> > >
> > >
> > > At 10:57 PM 4/6/2003 -0500, James White wrote:
> > > >This sensor is a thermistor (sp?) and likely it
> got old and a little
> > > >moisture got in it to give the EATC a false
> reading.
> > > >
> > > >My '95MTX does that frequently. Run the thing
> though a car wash
> > (touchless
> > > >of course!) and then pop the hood. The water
> that the bra held is
> > dumped
> > > >onto this sensor, and then it goes stupid.
> Mine will go down to -40 at
> > > >which point the damn EATC will turn the heat on
> full blast unless the
> > EATC
> > > >is fully off, or you have it in "Max Cool"
> position.
> > > >
> > > >The fix is a new sensor, but I have been both
> too lazy and too busy
> > workwise
> > > >to go to a salvage yard or the Ford 'Stealer'
> and get another sensor.
> > It
> > > >should be a 5 minute job to replace it. Most
> likely any sensor from
> > Ford,
> > > >Merc., or Lincoln would be the same.
> > > >
> > > >Jim White - greensho@crown.net
> > > >Valparaiso, Indiana
> > > >'93 5 SPEED 278k few mods
> > > >'95 5 SPEED 241k lots of mods
> > > >"double clutch" it's good for both you and
> your SHO
> > > >
> > > >----- Original Message -----
> > > >
> > > >From: "Johnsho92" <john_sho92@yahoo.com>
> > > >To: <shotimes@autox.team.net>
> > > >Sent: Sunday, April 06, 2003 7:57 PM
> > > >Subject: [Shotimes] Temp. Sensor(Outside Temp.)
> > > >
> > > >
> > > > > Hello,
> > > > >
> > > > > Can anyone help point out there the Sensor
> for outside
> > > > > Temp, the one on the climate control, is
> located?
> > > > > Just today I got a false reading, it's 80
> degrees
> > > > > outside and I see the 'outside temp.'
> dropping to
> > > > > about 25 degrees. Any idea why? or what
> went wrong?
> > > > > Thanks.
> > > > >
> > > > >
> > > > > -John
>
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