as above.....ive had my car set up a month or so ago but still not happy with the amount of black/brown smoke i am getting.......if i rev it quite hard in neutral at a standstill i get a large cloud of black smoke out the zorst just as i gets down near idle speed.....also if im giving it some im getting a lot of black/brown on overrun too plus on a quick pullaway from standin start i seem to get loads of the same. Why is this happening when its been set up so recently and is there a sensor that could cause this at all.

 

The sensors will all have been tested before mapping. Are you sure its a sensor issue?

What has the mapper said about it?

 

i havent spoken to the mapper yet...i just thought id get some ideas on here 1st.....the sensors were all checked before setting up so what else could cause it to overfuel like this??