Temperature lights stay on
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One question per topic.
No Gearbox questions
Diesel engine related problems
Think: Diesel engine, diesel fuel system, diesel injectors and glow plugs
One question per topic.
No Gearbox questions
Diesel engine related problems
Think: Diesel engine, diesel fuel system, diesel injectors and glow plugs
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- Posts: 1
- Joined: Fri Apr 06, 2012 2:31 pm
First, can i say what a great site this is, i was looking to fix a few problems and low and behold , most seem to be here (water in headlamps, buzzing rear door lock)
I was just wondering if someone may know what could possibly be wrong with my temperature gauge.
The gauge on the left hand side of my dash (photo not of mine, from a library, but same setup) sporadically shows all the lights and beeps, This can happen when the gauge is on one, two or three lights (out of the six), three being the optimal temp I think. It generally stays on for a few seconds then goes off.
Car is C3 1.4 HDi Exclusive
Cheers
I was just wondering if someone may know what could possibly be wrong with my temperature gauge.
The gauge on the left hand side of my dash (photo not of mine, from a library, but same setup) sporadically shows all the lights and beeps, This can happen when the gauge is on one, two or three lights (out of the six), three being the optimal temp I think. It generally stays on for a few seconds then goes off.
Car is C3 1.4 HDi Exclusive
Cheers
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- Posts: 3303
- Joined: Sat Jul 23, 2011 3:47 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (52)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 100000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Engine name: DV4 16-valve diesel (90 PS)
- Has thanked: 258 times
- Been thanked: 111 times
Welcome to the citroen c3 forum damionh,
I suggest you check and top up the coolant level if necessary.
All the lights on the temperature and a beep could be due to the coolant level low sensor triggering.
Check this post for the right stuff to put in the cooling system
Citroen C3 Coolants
Let us know how you get on.
I suggest you check and top up the coolant level if necessary.
All the lights on the temperature and a beep could be due to the coolant level low sensor triggering.
Check this post for the right stuff to put in the cooling system
Citroen C3 Coolants
Let us know how you get on.

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- Posts: 4
- Joined: Thu May 17, 2012 8:11 am
Hi there,
Odd that this has happened to you as well.
This happened to mine and an inital diagnostics showed up nothing. The fault carried on with no problems ever arising so I just assumed that she was having hot flushes.
Anyway I sent mine in for another problem and the garage said that this temperature sensor was faulty and replaced it for me. Problem solved.
Hope this helps.
SJ
Odd that this has happened to you as well.
This happened to mine and an inital diagnostics showed up nothing. The fault carried on with no problems ever arising so I just assumed that she was having hot flushes.
Anyway I sent mine in for another problem and the garage said that this temperature sensor was faulty and replaced it for me. Problem solved.
Hope this helps.
SJ
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- Posts: 89
- Joined: Wed Oct 24, 2012 10:42 am
- Been thanked: 1 time
I have a related problem in that, when starting my engine from cold, the top red light flashes as if to say, you're out of water, but I'm not!! so I start the engine and drive half a mile and then it decides I do have water after all, and goes out. Any Ideas?
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- Posts: 2610
- Joined: Wed May 04, 2011 10:01 am
- Model: C3 2002-2005, Original shape model
- Year: 2002 (02)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 140000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Engine name: DV4 16-valve diesel (90 PS)
- Has thanked: 144 times
- Been thanked: 88 times
Can you see (by visual inspection) that the coolant covers the level sensor probes when the engine is cold (don't check when its hot). It sounds like the level is a touch below the sensor, but as it warms up and expands enough to trip the sensor.
Sometimes, on older cars the reservoir is stained making it impossible to see the actual level without removing the cap.
Other than that, maybe the sensor is faulty and only works when its warm?
Sometimes, on older cars the reservoir is stained making it impossible to see the actual level without removing the cap.
Other than that, maybe the sensor is faulty and only works when its warm?
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- Posts: 2610
- Joined: Wed May 04, 2011 10:01 am
- Model: C3 2002-2005, Original shape model
- Year: 2002 (02)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 140000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Engine name: DV4 16-valve diesel (90 PS)
- Has thanked: 144 times
- Been thanked: 88 times
I have never had a cracked oil cooler, thankfully. The sensor is in the header tank, it looks quite easy to remove for a good clean up. If there is oil in the coolant then it may get dirty again pretty soon though. It could be that as the oil and water mix heats up, the sensor contacts are cleansed. As the mix cools down, the sensor is again coated with a thin film of oil giving this error. Just a guess, but sounds goodcould it be oil contamination following a cracked oil cooler, it was quite messy

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- Posts: 89
- Joined: Wed Oct 24, 2012 10:42 am
- Been thanked: 1 time
Interestingly, (according to Dara O'Briens' science club!) the brain uses fat to prevent the neurones from interfering and isolates them from one anther in a largely water based environment, as demonstrated by my expansion tank 

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- Posts: 1
- Joined: Wed Mar 13, 2013 8:30 am
Hi I have the same problem but my temp light just
Stay on full all the time and no beeping the car isn't
Over heating but just wonting to no if anyone nos
How to fit this thanks
Stay on full all the time and no beeping the car isn't
Over heating but just wonting to no if anyone nos
How to fit this thanks
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- Posts: 3303
- Joined: Sat Jul 23, 2011 3:47 pm
- Model: C3 2002-2005, Original shape model
- Year: 2002 (52)
- Engine Size: 1.4 (16v)
- Fuel Type: Diesel
- Mileage: 100000
- Gearbox: Manual 5 speed
- DPF: No
- LHD or RHD: RHD (UK)
- Engine name: DV4 16-valve diesel (90 PS)
- Has thanked: 258 times
- Been thanked: 111 times
Hello Taity, welcome to the forum.
If you need to know how to fit it, I will need to know which year car, which shape and which engine is fitted to your car.
The solution for Jadoremavoiture wasTaity wrote:Over heating but just wonting to no if anyone nos
How to fit this thanks
Yours may be the same fault, you can't be sure but a new sensor isn't much money. Try clicking the link to the Euro Car Parts website for the part (enter the vehicle reg in the search box on the site to find the right part for your car). If you need to top up the coolant level, this post may provide some useful information.Jadoremavoiture wrote:Anyway I sent mine in for another problem and the gaarge said that the temperature sensor was faulty and replaced it for me. Problem solved.
If you need to know how to fit it, I will need to know which year car, which shape and which engine is fitted to your car.
You can add an avatar to your account - Avatar or change your vehicle details - Car Bio or even add a signature to your posts - Signature. But this is not all you can do in the User Control Panel 

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