Which is bank 1? | Ford Explorer Forums

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Which is bank 1?

J-S-427

Member
Joined
February 16, 2001
Messages
12
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0
City, State
MD
Year, Model & Trim Level
98 XLT
According to the OBDII, I need an upstream O2 sensor on Bank 1.
Is this driver side or passenger? (So I replace the right one)
Is that Left or Right? (So I order the right one)
Thanks
 






Bank 1 is the passenger side.
 






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