as above folks
had a ka in a while ago and whan driving the car seem to strangle itself and cut out when revved to say 4k
put it on the c.o machine and the c.o was 12%
check the throttle body and idle control valve all alright
when its struggling its still got a excellent spark
it will re start on the button too
it was serviced not long ago
had a pattern lamda senser on
feels like good pressure coming out of the exausht when revved
dis connected the lamda senser and it never cut out and the c.o dropped to about 10 to 11 %
any suggestions
shes asked me to order a pattern cat and lamda senser