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P0420 HONDA -accord

Vehicle: 1998,honda accord 4l
asked Mar 25, 2012 by anonymous

1 Answer

This code is for the catalytic converter. This should be tested prior to replacement. Sometimes the type of fuel can cause this code, as well as a faulty O2 sensor or even a vacuum leak. The bank #1 converter or the firest converter off the engine has the problem
answered Mar 25, 2012 by milonajo1 (737 points)

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