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Brand: Nissan
Type: O2 Sensor
Order No.:0 258 986 602
2001 nissan pathfinder o2 sensor 0 258 986 602 make modern electronic fuel injection and emission control possible. It helps determine, in real time, if the air–fuel ratio of a combustion engine is rich or lean. Since oxygen sensor is located in the exhaust stream, it does not directly measure the air or the fuel entering the engine but when information from oxygen sensors is coupled with information from other sources, it can be used to indirectly determine the air-fuel ratio. Closed loop feedback-controlled fuel injection varies the fuel injector output according to real-time sensor data rather than operating with a predetermined (open-loop) fuel map. In addition to enabling electronic fuel injection to work efficiently, this emissions control technique can reduce the amounts of both unburnt fuel and oxides of nitrogen entering the atmosphere.
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