Re:CEL
 

i bet the o2's are different between dx and cx.

Re:CEL
 

You know............I think a DX has a 4 wire O2 and my CX has a 1 wire. Are 4 wire O2 sensors heated-sensors?
Is that why you asked how many wires, Dr.Boost

Re:CEL
 

Yeah, the heated ones are 4 wires. The one on your car is a one wire? That is most likely the problem.
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Re:CEL
 

I have a 4 wire O2 sensor but how the hell could I hook it up? Do you know where the wires go, what they do, or know where I can get a wiring diagram?

Re:CEL
 

Two black wires are for the heater, the white wire is the sender to the ecu, and the other is power.
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Re:CEL
 

Are the black wires hot and ground?

Re:CEL
 

No. I believe they connect to the ecu. :(
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Re:CEL
 

See I didn't think they would because I compared ECU's before I swaped them and the have the same pins in the same locations. Unless theres an untapped harness on my firewall.

Re:CEL
 

According to Haynes they connect to the ecu, but it might work to connect the black wires to 12v+ and ground. You still might get a cel though. :-\
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Re:CEL
 

look at the o2 that is in your car right now. How many wires does it have?? if it has 4, put the other in. or vise-versa.