P0420 Ford - taurus 2006

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Carguy1 · Answer 1 · 2019-02-19T22:10:54+0000

Hi there,

This code indicates an issue with the catalyst system. Here is some info for you.

P0420 FORD - Catalyst System Efficiency Below Threshold Bank 1

Read more: https://www.autocodes.com/p0420_ford.html