Jared424 Active Member Jul 25, 2013 #1 Hey guys. I have an 06 tacoma. 4.0L auto. CEL came on awhile back. Not running rough or anything. Reading a code P0430: catalyst converter system efficiency below threshold bank 2. Anyone have any ideas on what the problem is?
Hey guys. I have an 06 tacoma. 4.0L auto. CEL came on awhile back. Not running rough or anything. Reading a code P0430: catalyst converter system efficiency below threshold bank 2. Anyone have any ideas on what the problem is?
whippersnapper02 Negative Nancy Jul 25, 2013 #2 Could be a bad cat, bad O2 sensor or an exhaust leak.
Jared424 Active Member Jul 25, 2013 #3 It has a new cat on driver's side. Which I'm told is bank 2 on these motors
