Delete the cats
MBWorld Fanatic!
Joined: Aug 2005
Posts: 1,022
Likes: 24
From: Toronto
97 Porsche GT2 Wide Bodied Cabrio, Mercedes G500
CEL is caused by changes detected by the sensors. You're fine with changes made to anything behind the sensors which are located bit after the primary cats. And yes, you'll most likely get CEL if you remove the primary cats.








