Newage Permanent CEL fix for P0420 and P0546
 

For all those decat's out there,

Some of you will already know that the Subaru community now has a 'free' option for the permanent 'CEL fix' for P0420 and P0546 fault codes (and others). These codes are very common in modified Subaru's which have installed various combinations of decat center pipe, downpipe and uppipe.

For the last two months I've been working with various 'free' tools to investigate how this could be achieved.

I've written up my experiences in a short Scoobypedia CEL fix technical article (click on the electronic CEL fix link. I've personally tested this fix on my Euro MY03 WRX and it works great. Thought I would post here to share this solution.

A big thank you to the OpenECU.org community for the tools and the knowledge to make this possible.

Let me know if you have any questions,
-Steve.