Warning light on oil temp gauge?

Icecavern · Nov 14, 2005

This morning I started the car to warm up while I scraped the worst of the ice off the screen, when I got back in the car the temp gauge hadn't risen and the little light in the gauge was flashing.

The gauge started to rise as normal when I pulled away slowly but the light kept flashing. Then I stopped and restarted the car and it stayed out

Anyone know what this light means as I've not got the manual with me?

Pete

Icecavern · Nov 14, 2005

Just thought is that guage water temp not oil temp?

slimjim · Nov 14, 2005

Pretty sure it's Water buddy.....

No idea what the light it ... could it be low fluids? anyone?

slimjim · Nov 14, 2005

Did it beep?

http://www.seatcupra.net/forums/showthread.php?t=71132&highlight=beep
LeonR "wait till you hear the "coolant fluid low" warning signal! this will really awake you.
Unintendedly lost some fluid on the autobahn (45 minutes over 150 and then come into a traffic jam will do the trick ) "

Kam · Nov 14, 2005

Don't know if the Leon and the VW Bora share the same sensors/software, my car had a similiar thing but I did not hang around to see if it went out ...

Click here for my thread & description

Needing some ideas as well.

Thanks.

BlackFR · Nov 14, 2005

Its water temp pete...

If you want it vag-comming pop over one night

Icecavern · Nov 14, 2005

I think it's the same thing, a few people appear to have had this recently after scanning the forum. I think it's a sensor goign out of range due to the cold and the ECU throws a wobbly. If it was serious it wouldn't go away after a restart and I'd have had problems on my way in this morning as I was stuck in traffic for about an hour and a half.

Pete

Icecavern · Nov 14, 2005

BlackFR said:
If you want it vag-comming pop over one night

I'll see whether it happens again. But might be worth you bringing it next time we have a go at the cordy

Kam · Nov 14, 2005

Icecavern said:
I think it's the same thing, a few people appear to have had this recently after scanning the forum. I think it's a sensor goign out of range due to the cold and the ECU throws a wobbly. If it was serious it wouldn't go away after a restart and I'd have had problems on my way in this morning as I was stuck in traffic for about an hour and a half.

Pete

Really ... must cause all sorts of false alarms if I lived in Scandinavia then! Good old reliable VW sensors!

Cupra_Jeff · Nov 14, 2005

Icecavern said:
I'll see whether it happens again. But might be worth you bringing it next time we have a go at the cordy

My ibiza had this intermittant fault, it turned out to be a sensor on the coolant expansion tank, I got a new fitted under warranty (you can't buy the sensor separately, although its quite a cheap part if your car is out of warranty) and it hasn't happened since.

Kam · Nov 14, 2005

Can the car still be driven if this sensor is fecked? I think the one in my car has gone

Flashing red coolant temp warning but there is plenty fluid in the expansion tank!

vern · Nov 14, 2005

Icecavern said:
I think it's the same thing, a few people appear to have had this recently after scanning the forum. I think it's a sensor goign out of range due to the cold and the ECU throws a wobbly. If it was serious it wouldn't go away after a restart and I'd have had problems on my way in this morning as I was stuck in traffic for about an hour and a half.

Pete

Pete my lcr once did this after being jacked up for an hour, to fit dog bone mount, even though level looked correct, through bottle, i added a few "egg cup" fulls, never did it again

one thing, coolant expansion tank has to be replaced as sensor cannot be bought seperate, tis covered under warrenty though

CupraR-Rog · Nov 14, 2005

Less than a tenner for a new one if warranty's run out tho!!

Kam · Nov 14, 2005

Would changing the header tank mean a coolant change??

CupraR-Rog · Nov 15, 2005

At the very least you would have to top it back up again for obvious reasons, but you might as well change the whole lot while you're at it - it's easy to do!

jetsetjimbo · Nov 17, 2005

I had the flashing water temp light this morning also and not having seen any of these threads before was understandably a little alarmed!! :wtf:

Is the general opinion that this is just a sensor our of range 'messing with the ECUs head' or is it actually a faulty sensor that needs looking at?

Just wondering if I should be taking it in to the Stealers? It's going for a service at Westec in a week... would it just be worth getting them to check it out? It dosen't seem that others with this issue are getting any errors in VAG-COM although I don't have access to it myself.

Bowks · Nov 18, 2005

I also had this warning last night - a loud beep and flashing red light in temp gauge in my LCR. i turned the engine off and started it again and all was ok. i'm guessing that the cold weather may have something to do with the sensor throwing a wobbly, the manual just states to check coolant level and mine seems to be ok.

If it keeps happening then a trip to the stealers is in order to get it replaced under warranty.

The Governor · Nov 20, 2005

Exact same problem on my car this week, the level is just above Min at cold and the engine gets to running temperature in the same amount of time as normal, plus it doesn't overheat so I'm not particulalrly worried.

I was going to top up but when I read the manual it starts banging on about G12, G11, G12+ for so long I wanted to kill myself.

Cheerserm · Nov 20, 2005

All,

I had this problem a few months back. After starting the car first thing in the morning, the water temp light would start flashing and the beep would go. The actual gauge hadn't moved and the level of fluid in expansion tank was spot on right. I had to retsart the engine a couple of times to clear it.

I turns out it was a faulty sender in the expansion tank (not sure if the sender is temp or fluid level related?). Apparently the sender cant be replaced alone, only as part of the whole expansion tank. The dealer replaced uinder warranty and said it was a common problem (they had two others on order at the same time due to the same problem!).

So i would get down to the dealers who should sort if in warranty. If not I believe the part / job isnt that expensive / difficult.

Cheers erm.....

CupraR-Rog · Nov 21, 2005

CupraR-Rog said:
Less than a tenner for a new one if warranty's run out tho!!

As I said earlier

It's a problem, yes, but isn't going to break the bank to fix!!

Coolant wise, I bought Mobil 1 from Halfords. Confirmed to all the specs. Got a 5ltr bottle, and it did 2 coolant changes!

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