1997 Chevy Suburban oxygen sensors

1997 CHEVROLET SUBURBAN
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SLRKIN99
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Engine Performance problem
1997 Chevy Suburban V8 Four Wheel Drive Automatic

The analizer guys say that bnk 1 sensor 2 and bnk 2 sens 2 are in need of replacement. I hope to do this my self and thay gave me a part # of 75-1726. Since I was not there at the time of diagnosis, could you please tell me their location?
Mar 27, 2009 at 5:21 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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