my check engine light and vsc trac/vsc trac off lights is on p0420? on 2002 Toyota 4Runner

diag said p0420 what does this mean needs replacing?

by in Louisville, KY on October 31, 2012
1 answer
ANSWER by on October 31, 2012
thats a cat converter issue, i rec you seek diag of all codes and get est a discription of issues
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While driving 60mph, my check engine , vsc trac, and vsc off lights came on at the same time. Any ideas?

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