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How many wire does the O2 have? 1, 2, 3, 4???
Posted to Emissions Forum on 1/17/1998 4 Replies

We are talking about O2 sensors, so I thought it would be helpful to know about O2 wires, which one is the one to check.

Well, I have seen O2s that have 1 wire, 3 wires and 4 wires, but never seen 2 wires. Of course, the 1 wire kind is the easiest, it has on... Login to read more.

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