Front O2 sensor: how many wires ?
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11-28-2003, 01:49 PM
1990 Legacy & 97 OBS
AWD 5MT EJ22T AWIC Swap
should be a 4-wire. If not, you should get a generic 4 wire one.
You can get a generic one at
I got a 4-wire one and put it on my legacy in place of the 3 wire. Worked great.
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