codes P141 and P135 showing

2002 JEEP GRAND CHEROKEE
15,300 MILES
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PHILLIPBYNUM
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I have codes P141 and P135 showing and have purchased O2 sensors, Where exactly is the bank 1 sensor 1 location. Pictures would help a lot.

This is for emissions of course.
Oct 5, 2012 at 5:31 PM
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SATURNTECH9
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It is the first sensor in the pipe on the #1 cylinder
Oct 5, 2012 at 5:42 PM