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Anthony, Ford Technician
Category: Ford
Satisfied Customers: 11750
Experience:  ASE Master Automobile Technician with over 20 years exp.
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Ford Escape XLT 2005 escape code P0420 upstream and downstrean

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2005 escape code P0420 upstream and downstrean 02 senaor read about the same no miss fire replaced one downstream 02 with same results

Hello Sir or Madam. Welcome to justanswer!


A 420 means the bank 1 catalytic converter is bad. Bank 1 is the rear set of cylinders.

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Customer: replied 5 years ago.
is this a pretty sure fix the scan tool suggest fuel preasere also
Very sure if its the only code you have.