11 hours ago, cash3005 said:

Alright guys I finally figured out the issue and it was the coolant temperature sensor. I changed it to a new one and the engine started right up and runs like a clock.

 

 Just as a final close out, you mentioned coolant loss. Was this through the actual sensor or this still an ongoing issue.

 

On 27/12/2021 at 19:27, nta16 said:

Hasn't or wont? 

 

On 02/01/2022 at 21:00, cash3005 said:

Hasn't 

  Another thing to clarify is you state "the engine started right up" suggesting it would not start prior to the sensor change - is this correct as conflicts with above. This will help people identify if over temperature signal stops engine starting as a failsafe. 

On 14/01/2022 at 11:19, cash3005 said:

Alright guys I finally figured out the issue and it was the coolant temperature sensor. I changed it to a new one and the engine started right up and runs like a clock.👍

 

Thanks to you all that helped 😉😉

 

 

 

I know it's not people's favourite to reanimate an old thread, but as I'm getting exactly the same I thought I'd see if I could summon the gods of the Mk11 forum 😁

I know I have a coolant leak (I'll return to that...) BUT after getting 'ding ding ding red flashy' a fortnight after topping up, it happened while driving (usually happens on start up), and the coolant wasn't below the minimum. As we were under 1/4 mile from home, turned around and came back, and started searching here and YouTube

So far I've:
- Peered into expansion tank, but can't see sensors to give them the customary scrape, though I don't think it can be just that anyway, now it's thrown a wobbly when topped up. Ordered a new one anyway, as it's low £££ commitment. 

- Plugged in OBDEleven, got error code P0441 which I know is EVAP. I've read about purge valves and will come back to that, but can't see that it would be adding to warning light issues, and it's an intermittent fault that's been around for months. 

- Also looked at live data, when engine was pretty cool, and again today when stone cold, but engine not running. Seem to be getting some wild temperatures. But I can't find confirmation that live data even works with engine off (ignition is on though, obvs). 

eg Coolant temperature reported as 148degC, but ambient temperature looks about right for the weather. But I've not spent enough time with manuals and instructions yet to be confident I'm understanding what those readings all mean.

- And last night, engine refused to start altogether. 

 

It's up on axle stands right now, as I'm trying to find the source of the (slow) coolant drip though I'm a bit baffled by the whole system, and it's really bloody hard to follow the routes of pipes and see what's where, and attaches to what. Will need to drop the car before turning engine over, cos not on an ideal jacking surface 😬

Does this sound like the same issue @cash3005had, and it's the temperature sensor, if the OBD11 readings mean what I think they mean? 

 

 

Edited 17 October, 20232 yr by MijIsTired

Just unplug the CTS and see if it starts and runs ok.

Thanks @sepulchraveand I would, if I could %#*{%^ find it. 
 

I’ve looked at Haynes, at diagrams, at many photos of other people’s (slightly different) engines and I’m humiliated in defeat. WhereTF is it?

 

Side note: it may be that battery is actually my non-starting issue. 
 

But anyway, that bloody CTS… Is it under something, which is why I can’t find it?

 

14 minutes ago, MijIsTired said:

Thanks @sepulchraveand I would, if I could %#*{%^ find it. 
 

I’ve looked at Haynes, at diagrams, at many photos of other people’s (slightly different) engines and I’m humiliated in defeat. WhereTF is it?

 

Side note: it may be that battery is actually my non-starting issue. 
 

But anyway, that bloody CTS… Is it under something, which is why I can’t find it?

 

 

http://www.briskoda.net/forums/topic/510003-replacing-g62-temp-sensor-cbzb-12-tsi/?do=findComment&comment=5725012

Thanks, yes, I did look at that. But despite usually having pretty strong spatial reasoning skills, I cannot relate that, or anything else I've looked at, to what's in front of me when I'm standing with my knees up against the radiator. 

 

I did get under the car to check the leak so I know where the pump is. 

I understand engine fundamentals, so I can figure out where most things are even if an engine looks totally different to what I was used to. But I have no experience (and apparently little understanding) of cooling systems, so I'm pathetically stuck. 

First image in this ebay listing here shows it close up.

My marked-up screenshot of one of the other images shows the big picture.  Just below/next to the radiator hose connection where the pink arrow is.

 

 

 @Breezy_PeteTHANK YOU! I can see where I am now.

 

Better charge more torch batteries…

 

I know my way round that side a little cos of replacing a breather valve, but it’s very crowded when in situ, can’t see a blummin thing, so not feeling quite so stupid. 

Edited 15 October, 20232 yr by MijIsTired

Adding this in case it's useful for anyone else:

 

Seem correct for my Fabia Mkll 1.2 TSi 2011 Combi.