Hi everyone, just been out for a drive and the ecl came on, so I plugged in a lifted this code, any ideas what could be the cause of this? I was driving pretty hard, It seems to be using oil recently too, I have a 2005 sti widetrack, blobeye.

Any advice would be great, Tom.

 

http://www.p0420.com/

 

p0420 - usually see this if you've a decat fitted but not mapped for it ?