my ck eng lite on intermit. on & OFF SOME TIMES OFF FOR WEEK THEN BACK ON on 2006 Toyota Tacoma

CODE P0430

1 answer
Fault: cat. converter, bank 2 , efficiency below threshold. Poss. cause: Cat. converter, wiring or o2 sensor. Replace spark plugs first and see if it fixes the problem. Or, check the connection at the cat converter end plug. Should take care of the problem.