CEL

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Jun 25, 2003 | 08:16 PM

#21

88crxSi

3.0 BAR

Joined: Feb 2003

Posts: 9,089

Re:CEL

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

Jun 25, 2003 | 08:55 PM

#22

REDLINE

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Joined: May 2003

Posts: 70

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

Jun 25, 2003 | 09:04 PM

#23

Dr.Boost

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Posts: 21,468

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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Jun 25, 2003 | 09:09 PM

#24

REDLINE

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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?

Jun 25, 2003 | 09:10 PM

#25

Dr.Boost

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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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Jun 25, 2003 | 09:11 PM

#26

REDLINE

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Re:CEL

Are the black wires hot and ground?

Jun 25, 2003 | 09:16 PM

#27

Dr.Boost

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Re:CEL

No. I believe they connect to the ecu.

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Jun 25, 2003 | 09:21 PM

#28

REDLINE

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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.