JabroniBro
Member
Driving home today and my truck threw code P0420. It's a 2000 EB 4x4. 161k miles. New tranny, new cat, one new O2 sensor, new plugs and coils. Truck still drives strong and I don't notice anything amiss.
I just passed emissions a month prior so I don't have to worry about that. I know this is a generic code and there could be a variety of things causing it but since I have a bunch of new parts where would you start troubleshooting?
I just passed emissions a month prior so I don't have to worry about that. I know this is a generic code and there could be a variety of things causing it but since I have a bunch of new parts where would you start troubleshooting?