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po420 honda accord 1999

How do I fix error.

Vehicle: 1999 accord honda v6
asked Apr 23, 2013 by anonymous

1 Answer

You have to replace the catalytic converter to fix the problem. It's a very common problem.

P0420 HONDA - Catalyst System Efficiency Below Threshold Bank 1

Read more: http://engine-codes.com/p0420_honda.html

 

answered Apr 23, 2013 by OBDIITech (2,599 points)

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