Please help!!

[Goodst4r]

Recently brought a mk2 2012 Leon supercopa 2.0 diesel, had the car for about a month and a flashing coil light appeared on the dash. This happen once then didn’t see it again for about another 800 miles

It’s now back and on every time I use the car but I don’t seem to have any power lose like I’ve read in other threads. I read the cars diagnostic to try find a fault code and it had none! Then today my engine management light can on but still no power lose or fault codes!

Please if anyone can help as I don’t want to take it to seat and be wasting time and money for then to look for a fault code I know isn’t there to then just start replacing random bits to “see if that works” and continually be going back and forth to the dealer

 

[brian1912]

Have you checked your battery in a previous car I had the battery was done was pinging up random lights on the dash ?


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[Goodst4r]

Have you checked your battery in a previous car I had the battery was done was pinging up random lights on the dash ?


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Not checked the battery I’ll give it a clean and tighten up tomorrow. But could itnreally be that? As it doesn’t seem to have any trouble starting

 

[adon30]

It is that time of year where weak batteries start to fail.
Mine had a couple of occassions where it wouldn't start properly. Other times it was fine. Changed the battery shortly after that and been good for the last year and a bit.
Check the connections and grounding are all good

 

[brian1912]

Mines was a dead cell so visually looking at it you couldn’t tell only when it was tested it showed it was failing


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[lewisb246]

Check brake light switch had a case where it was that also try get it plugged into vagcom had another case where it was dpf related

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