P0420 Issues

TheSoundMan

TheSoundMan

New member
Has any one ever had the anti fowler fix for P0420 NOT work? meyagi and I rigged it up last week, and it still comes back every 100 Miles or so.

 
I had a brand new rear o2 sensor that tripped that code. Then I installed the spacer and it would still throw the code intermittently. Way more than 1oo miles though.

 
just delete it with software
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