can someone please freeking tell me if the upper and lower o2 sensors

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sickmf240sx
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Joined: Sun Nov 18, 2007 11:33 am
Car: 91 240sx fastback
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are the same... any help would be appreciated thank you


bgeoedr
Posts: 3
Joined: Fri Jun 22, 2007 12:08 pm
Car: 1996 240SX

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Count the number of wires coming off of it. thats the only difference in any oxygen sensor. Im pretty sure there both 4 wire heated O2 sensors.


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