Remove P0420

Discussion related to the 4G69 powered Lancer Rallairt
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Remove P0420

Post by lazukard » Tue Jul 01, 2014 12:04 pm


Can someone told me if its possible to remove the Code P0420 Cat low efficenty from the ecu.

I have to remove the code every 400-500 miles. So any way possible to perma remove the code from appears ?

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Re: Remove P0420

Post by hackish » Thu Jul 03, 2014 9:54 am

Go into cat efficiency and change it to 100%.


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