2002 pathfinder how do you remove the o2 sensors

2002 NISSAN PATHFINDER
456,000 MILES
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right front resonator replacement but I can's get the o2 sensor out of the old one. Is there a trick to remove, from the new one it looks like it screws in, but no luck turning.
Nov 22, 2011 at 11:20 PM
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JACOBANDNICKOLAS
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They screw in. It is either rusted in place or gulded. Try using a good penetrating fluid to see if that helps.
Nov 22, 2011 at 11:22 PM