Posted the other day that after cat replacement car was hesitant when driving at a constant speed and fuelling was all over the place. Usually getting around 33 mpg but was down to low 20s.
Diagnosed that the front lambda was at fault.
I replaced sensor today took it for a drive round and it seemed fine.
I left work and drove home mpg upto 37 happy days.
The problem now is every time you stop and pull off again it is hesitant about three times and then doesn't miss a best until the next time you stop.
What could it be now.