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EX/HX 02 Sensors

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Old 09-06-2006, 08:00 AM
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Default EX/HX 02 Sensors

If I put Ex 02 sensors on my Hx will they make the CEL go on?

PS. Is there anything I need to worry about if I buy a brand new 50 dollar header of ebay, or should I just expect minimal hp gains?

Thanks
Old 09-06-2006, 08:17 AM
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Default Re: EX/HX 02 Sensors (98CivHx)

hx is 5wire, ex is 4wire.

hx has 1 5wire and 1 4wire.

depends on which o2 you're trying to replace.
Old 09-06-2006, 08:40 AM
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to put what Bense said a different way...
since your HX is an OBD2 car is has two O2 sensors.
one before the cat and one after.
the one before the cat is a 5 wire wideband O2 that is not swapable with any other civic other than the VX. (see NGK L1H1 or L2H2)
the O2 after the cat is a standard four wire O2.
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