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Topic: temperature gauge problem (Read 1139 times) |
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Tekno
Full Member
Tenho Ruohoranta
 
Posts: 599
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temperature gauge problem
« on: Oct 18th, 2009, 5:18pm » |
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Hello
My temp gauge usually doesn't raise at all. Nothing happens on needle. I have changed thermostat, a coolant temperature sensor (is there 2 of them, for ecu and gauge? or just 1?) , and opened the instrument panel (soldering and contacts etc was in good condition) Cooling fluid level is sufficient and cabin heater works properly. There comes warm easily (after I did put the new heater matrix).
When holding trip meter button there is ENG TEMP which is is 255, doesn't that mean VERY cold, below -0c or so (255 is minimum value)?
When temp gauge sometimes works, it sits on middle of normal temp area and ENG TEMP values is under 100 (I dont remember clearly but something like that) Will check it again...
I wonder if the heat sensor wiring has connectors somewhere in the chain over there? other than at the probe and instrument end? ..
Scorp is -98, 2.3 litre
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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tlundkvi
Full Member
Ex. Scorpio 2.9 24V -95
Posts: 909
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Re: temperature gauge problem
« Reply #1 on: Oct 18th, 2009, 6:12pm » |
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Tekno, do you have access to ODB? A failed sensor should raise a DTC, atleast when the injection temp sensor was broken on mine, there was some code indicating suspicious levels reported.
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lesterlad aka Rodders
Full Member
2.3 Ghia x Estate (Manual)
Posts: 877
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Re: temperature gauge problem
« Reply #3 on: Oct 18th, 2009, 7:27pm » |
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Went to look at the above link and got this ;
Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET /photos/album/4/2.3_plastic_manifold.
Reason: Could not connect to remote machine: Connection timed out
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There's are methods to my madness!!! I'm not sure what the methods are but there's definitely madness in them
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: temperature gauge problem
« Reply #4 on: Oct 18th, 2009, 7:34pm » |
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on Oct 18th, 2009, 6:19pm, scorpio_man wrote:
yep, it was that which I replaced with new one
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: temperature gauge problem
« Reply #5 on: Oct 18th, 2009, 8:03pm » |
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The grey one is the ECT for the ECU temp reading. The black sensor on the right is the temp guage sensor & this is the one that needs to be changed 
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: temperature gauge problem
« Reply #6 on: Oct 18th, 2009, 8:19pm » |
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okay. Is there documents how to measure it?
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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gozz
Senior Member
Been around awhile
Posts: 3475
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Re: temperature gauge problem
« Reply #7 on: Oct 18th, 2009, 8:45pm » |
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Tekno.
Pull the black plug off,bridge the contacts with a piece of wire and switch the ignition on,if the gauge goes to the top,replace the sensor.If it doesn't move there may be a loom fault.
GOZZ.
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: temperature gauge problem
« Reply #8 on: Oct 18th, 2009, 9:20pm » |
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on Oct 18th, 2009, 8:03pm, Jonnycab wrote:| The grey one is the ECT for the ECU temp reading. The black sensor on the right is the temp guage sensor & this is the one that needs to be changed |
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hi there
when my one was playing up (dash gauge moving about), i changed the grey one and that solved it.
hth
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: temperature gauge problem
« Reply #9 on: Oct 18th, 2009, 9:22pm » |
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on Oct 18th, 2009, 7:27pm, lesterlad wrote:Went to look at the above link and got this ;
Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET /photos/album/4/2.3_plastic_manifold.
Reason: Could not connect to remote machine: Connection timed out |
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hi there
it's on my multiply site, but you might need to be a member to see it.
rodders, you are a member so you should be able to see it.
hth
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Snoopy
Administrator
Very old.BAD tempered and missing friends.
Posts: 6278
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Re: temperature gauge problem
« Reply #10 on: Oct 19th, 2009, 7:41am » |
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: temperature gauge problem
« Reply #11 on: Oct 19th, 2009, 9:38am » |
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on Oct 18th, 2009, 9:20pm, scorpio_man wrote:
hi there
when my one was playing up (dash gauge moving about), i changed the grey one and that solved it.
hth |
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Hi there, the temp guage sender is defo the black one on the right, directly below the matrix outlet  .....
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: temperature gauge problem
« Reply #12 on: Oct 19th, 2009, 9:41am » |
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what is FINIS of that temp gauge sender?
anyone know price?
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: temperature gauge problem
« Reply #13 on: Oct 19th, 2009, 9:52am » |
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I'm not sure of the finis code, but the part number is 91AB10884AA & costs about £16 from Ford
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: temperature gauge problem
« Reply #14 on: Oct 19th, 2009, 11:18am » |
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okay, thanks
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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