catalytic converters

Hi, I have a 2014 Ford Taurus Limited. About 6 months ago the check engine light came on, I read the code and it came up with P0430 Catalyst System Efficiency Below Threshold Bank 2. I brought it in they said that I could get it replaced, or to extend to make it last longer. Then a month later...

Hey guys, my 02 sable has been acting jumpy and low on power. I pulled over while driving it recently and noticed the rear bank of the engine's cat was glowing red. I can feel the exhaust out of the tailpipe but i'm not sure thats conclusive of anything. Its for sure low on power and I have...