O2 Sensor 1, 3, or 4 wire?

The Nissan 300ZX (Z32) general community discussion forum
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KPeeZy
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Joined: Tue Apr 29, 2008 11:56 am
Car: 1994 Nissan 300zx N/A
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I need to replace my 2 Oxygen Sensors. Researching these online there are the 1, 3, and 4 wire sensors. What are the differences and which one fits my car? 1994 300zx NA with headers



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