Well i had bad oxygen censor bad for a while back maybe a month
i intalled a new one, which was a universal one


after a while it kept turning on and off the check engine
for about 2 weeks it didnt turn on
now the check engine turned on again....... and i checked it with a vag com
and its the same bank 1 unsuffiecient flow

any ideas guys?

 

I fear its a cat problem so what were the fault codes?

 

Did you check the wiki?

http://wiki.ross-tech.com

Cheers
Massboykie