Question about 2002 Ford Escape
Those codes don't indicate a failure of any particular sensor. They are codes for the bank 1 and bank 2 catalytic converters. The computer uses the oxygen sensors in front of and behind the catalytic converters to determine how well the converters are working. If the efficiency of the converters go below a specific threshold the computer will set the codes you got. Common repairs for this code include replacement of the catalytic converters (most common), failure of the front o2 sensors (slow switching rate) or a computer reprogram.
Posted on Aug 02, 2010
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Posted on Jan 02, 2017
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