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[Warning Light] Temperature Gauge Reads high constantly
#1
Had this intermittent problem for a while where the gauge goes high and then drops back down.

I bought a new sensor but never got around to fitting it.

Yesterday from a cold start the gauge immediately went high and stayed their I didn't worry too much about it and have done about 50 miles with it like this.

The cooling fan is on constantly and that is annoying.  Today I attempted to replace the sensor after moving the ducting out of the way and disconnecting the sensor I was unable to remove it.  As a test i plug the new sensor in and left it hanging but not sure if it needs to be inserted to complete the circuit and the symptons were exactly as before.

This is a 2002 Citreon Berlingo Multispace 2.0hdi

Thanks
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#2
(09-01-2016, 02:42 PM)Jason Jordan Wrote:  Had this intermittent problem for a while where the gauge goes high and then drops back down.

I bought a new sensor but never got around to fitting it.

Yesterday from a cold start the gauge immediately went high and stayed their I didn't worry too much about it and have done about 50 miles with it like this.

The cooling fan is on constantly and that is annoying.  Today I attempted to replace the sensor after moving the ducting out of the way and disconnecting the sensor I was unable to remove it.  As a test i plug the new sensor in and left it hanging but not sure if it needs to be inserted to complete the circuit and the symptons were exactly as before.

This is a 2002 Citreon Berlingo Multispace 2.0hdi

Thanks
A good flush & a new thermostat may be what it needs.Use a good antifreeze.
Strawberry flavoured windows  Dodgy
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#3
Certainly sounds like sender is Fubared if gauge is instanly going hot

Quote:As a test i plug the new sensor in and left it hanging but not sure if it needs to be inserted to complete the circuit and the symptons were exactly as before.
Can't remember the type of sender that engine uses but there are 2 basic types, either a variable resistor between 2 pins, or a variable resistor to earth, so I expect you might have the latter type. You really need to fix properly for a real test.
I haven't got wiring diagrams with me at the mo, but I think the sender goes direct to the ECU and the ECU then controls the guage and the fan.
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#4
Thermostaat?
I DO MISS MY BERLINGO Heart
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#5
(09-01-2016, 09:24 PM)philip Wrote:  Thermostaat?

He did say guage went immediately to hot
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#6
Faulty sender new one need's to be fitted to work right to get earth of the engine .
                                     Smile  It's too orangey for crow's It's just for me and my dog  Smile

                                                        Heart Heart Love a lot trust a few  Dodgy
 
                                                        

                                        
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#7
Thanks for this i did suspect but really struggling to get my hand underneath to remove the circlip yes its the green one with 2 pins.
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#8
Any other ideas, have today managed to change the green sensor not much space but the car still does the same temperature gauge go skies high and cooling fan on full with the flashing stop!
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#9
Okay after clearing all the faults with the lexia everything is back to normal.

One thing I did as I dont have the code is program the radio to the vin but its still asking for code is there a way around this.

Jason
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