2007-2012 Nissan Sentra Air/Fuel Ratio - Oxygen Sensor Location

2007-2012 Nissan Sentra 2.0 Engine

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2007-2012 Nissan Sentra 2.5 Engine

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  Heated Oxygen Sensor 2 (Bank 1)
• 2
  Heated Oxygen Sensor 2 (Bank 2)
• 3
  Air Fuel Ratio (A/F) Sensor 1 (Bank 2)
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  Three-Way Catalyst (under floor)
• 5
  Muffler
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  Air Fuel Ratio (A/F) Sensor 1 (Bank 1)
• 7
  Three-Way Catalyst (manifold)
• 8
  Air Fuel Ratio (A/F) Sensor 1 (Bank 1) harness connector
• 9
  Heated Oxygen Sensor 2 (Bank 1) harness connector
• 10
  Heated Oxygen Sensor 2 (Bank 2) harness connector
• 11
  Air Fuel Ratio (A/F) Sensor 1 (Bank 2) harness connector

Nissan Sentra DIY Projects
Modifications	Engine & Transmission	Air Bag & Body Exterior/Interior	OEM Accessories Installation Guides
Electrical & Audio	Heater & Air Condition	Suspension, ABS, Brakes & Tires	Engine Control System