[aston007]

:devil: Hello guy's GS 1,9 dci .Starts very lumpy first thing and will continue until re started for the second time when engine is warm,but this is'nt always the caser as it will go lumpy when warm.power ok and fuel consumption ok
any ideas

 

[5th wheel]

welcome to the forum aston007.
sounds as though possible air i the fuel system or 1 of the coils is playing up.one of the techies may provide more insight later.