CODE P0420

1999 Honda CRV

Tiny

eguzman72

June, 2, 2010 AT 8:05 AM

Computer problem
1999 Honda CRV 4 cyl Four Wheel Drive Automatic 180000 miles

what does this code mean? I think it needs a regular maintenance but I am not sure.

FOUND 159 RELATED QUESTIONS

P0420 Cat Converter

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1 Answer

Tiny

KHLow2008

June, 3, 2010 AT 11:00 AM

Hi eguzman72,

P0420 = Catalyst efficiency below threshhold.

Usually this means the catalytic converter is bad. It is not a regular maintenance item.

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