Question about 2002 Buick Regal

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Where is bank 1 sensor 1 located on 2002 buick regal gs

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Where is bank 1 sensor 1 located on 2002 buick - 1762a7a7-8f88-48e4-b07c-ea031cf2e099.jpg
This car has only 1 bank ... front o2 senor is the one bank1 sensor1
and the rear one will be bank 1 sensor 2

hope it helps rate it

Posted on Oct 12, 2013

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SOURCE: Belt routing diagram for 98 Buick Regal GS

if serpentine, then it should be on the fan shroud or the radiator cover...

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