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Why two?
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So a buddy of mine was trying to do some research, and i just figure i'll ask here for good measure.

It seems you have to wire up another o2 sensor when doing this "Swap" - Does anyone know if the lx's harness is already prewired for the second o2, or does one have to run wires all the way through to the ecu and pin the connector?

All help appreciated.
 

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if its a d17.. the lx and ex have the same o2 sensors if the engine is 01-03 or 04-05. the later years have a wideband factory and the earlier ones just have 2 narrow band o2's.
 

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if its a d17.. the lx and ex have the same o2 sensors if the engine is 01-03 or 04-05. the later years have a wideband factory and the earlier ones just have 2 narrow band o2's.
true...

the ex just have the vtec wires, and the 01 LX/DX doesn't have EGR
 

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So what was decided on this becuz i have an 05 lx and was wonderin about this exact swap. I have an ex head pnp, ex ecu. do i need anything else?? i already know i'll have to tow it to the dealership to get the key reflashed.
 
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