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Q:

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

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
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.