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Help locate Altima 2.5S Oxygen Bank1 Sensor 2
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01-10-2016, 02:02 PM
bennyb53
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2019 Sentra
2002 Altima
Join Date: Jan 2011
Location: Hawaii
Posts: 2,105
Remove the heat shield just right of the oil dip stick with a 10 mm socket. The CAT should come to view. The top is sensor 1 and bottom is sensor 2. You will need a 7/8" oxygen sensor socket. Use NGK or Bosch oxygen sensor.
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