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Topic: fluctuating temperature gauge (Read 943 times) |
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JG2
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Posts: 677
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fluctuating temperature gauge
« on: Jan 23rd, 2010, 11:51am » |
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dial moves around during first 15 minutes ..ive removed the big connector under p/s pump cleaned pins switch cleaner still no better. there are x2 sensors one for dial x1 for ecu i guess. if i do dashboard check when problem is occurring the temp numbers are erratic flickering between 140-200 when dial/gauge settles down that number settles down. so does that dashboard check use the dial sensor or the ecu bacause if they both are erratic maybe its the dash....also which sensor does what ?
any advice greatly appreciated john
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Simmo
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I'm an OAP !
Posts: 5508
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Re: fluctuating temperature gauge
« Reply #1 on: Jan 23rd, 2010, 2:08pm » |
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John, Have a read of THIS page. IIRC the two sensors sit side by side and the gauge one only has one wire to it. 
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Now I'm an OAP
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JG2
Full Member
Posts: 677
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Re: fluctuating temperature gauge
« Reply #2 on: Jan 23rd, 2010, 3:01pm » |
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ok thanks for that ..will let you know outcome ..john
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JG2
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Posts: 677
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Re: fluctuating temperature gauge
« Reply #3 on: Jan 24th, 2010, 11:27am » |
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Hi simmo
just went to check the sensors ...both the connectors have two wires!its a 2.3 .... which connector is the one for the gauge?
the one nearest the front next to the stat ? tks john
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: fluctuating temperature gauge
« Reply #4 on: Jan 24th, 2010, 1:10pm » |
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Yep, it's the one nearest the stat with the square black plug 
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JG2
Full Member
Posts: 677
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Re: fluctuating temperature gauge
« Reply #5 on: Jan 24th, 2010, 4:12pm » |
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Hi..tks fo that ..john
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SnowyScorpio
Junior Member
Scorpio 2,3L Hgv 1997
Posts: 51
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Re: fluctuating temperature gauge
« Reply #6 on: Feb 16th, 2010, 10:16pm » |
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My temp.sender was broken when i bought the car for about a year ago. So i went and got at new one and the problem was gone. But now it has returned... does the temp.sender has a limited one year lifespan? 
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Scorpio 2,3L Hgv 1997
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: fluctuating temperature gauge
« Reply #7 on: Feb 17th, 2010, 12:22am » |
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on Feb 16th, 2010, 10:16pm, SnowyScorpio wrote:| My temp.sender was broken when i bought the car for about a year ago. So i went and got at new one and the problem was gone. But now it has returned... does the temp.sender has a limited one year lifespan? |
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I'd say....In the four years I've had my 2.3, I've had as many new senders
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JG2
Full Member
Posts: 677
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Re: fluctuating temperature gauge
« Reply #8 on: Feb 17th, 2010, 9:22am » |
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are they the same part ( the ecu one and the gauge one) ? are they interchangeable ? would be useful to know
tks
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2932
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Re: fluctuating temperature gauge
« Reply #9 on: Feb 17th, 2010, 10:06am » |
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No, different threads & plugs.
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ABS multiplug wheel sensor pins MK IV or MK 20
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JG2
Full Member
Posts: 677
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Re: fluctuating temperature gauge
« Reply #10 on: Feb 17th, 2010, 11:31am » |
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ok tks for that
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