To replace the O2 sensors on a 1997 Infiniti I30, first ensure the engine is off and cool. Locate the O2 sensors, which are typically found in the exhaust system—one before the catalytic converter and one after. Disconnect the electrical connectors and use a wrench or O2 sensor socket to remove the old sensors. Install the new sensors by threading them in, reconnecting the electrical plugs, and ensuring they are secure.
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The oxygen sensor for a 1996 Infiniti I30 has 3 wires. The car actually has two O2 sensors, a front and a rear. Both sensors are the three-wire type.
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replace it with new or refurbished
There are total 4 O2 sensors. You can buy all 4 from Oxygen Geek and will cost about $260.
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