106 Quicksilver Problems

[djinuk 2]

My mrs has a 106 quicksilver which has a problem.

 

The problem is that when left to idle , it will eventually bog itself down (usually takes a few mins) and cuts out.

 

Also when driving, sometimes the revs will die and it will cut out, or when you go on the power the revs will die and then all of a sudden come back to life, quite often this is when pulling off roundabouts (quite dangerous).

 

Ive changed the lamda simply as i had a spare one, but need some ideas of where to go with it.

 

Please any suggestions folks.