Hi all to start I don't use the car much it normaly gets left for a week or so it's a uk Sti 55 plate for about the last month when I go to start it it's a bit lumpy not fireing on all cilinders for a second or two then a puff of realy fuely White smoke then it's fine but yesterday it just turned over for about 5 -6 seconds without starting then I tryed again it started a bit lumpy then fine I had a remap last week and there were no fault found please help sorry about the spelling

 

Any ideas.

 

Could be damp in the engine, you need to go for a long drive (50+ miles without stopping), ensure you check all your fluid levels first though, then start the car the next day, if its better then its probably moisture from infrequent or short journeys.

Tony