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

CODE P0430

by in Chicago, IL on March 08, 2013
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1 answer
ANSWER by , March 08, 2013
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.