Technical engine won't start won't bump start engine seized ?

[fingers99]

Likely that the lambda is dying. It's a FIAT, it's designed to be looked after, but thrashed.

 

[seanhyde]

Belated thanks for that info. Do I go ahead and change it or carry on as I am ?

 

[fingers99]

I'd carry on as you are.

 

[cc1]

Probably needs a phonic reset if it flashes between 3-4k rpm.