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Oxygen Sensors

Proper air circulation is necessary for a well functioning engine. Air/fuel ratios can make or break how smoothly an engine runs. The oxygen sensor checks up on the amount of oxygen in the exhaust system and sends a low voltage signal to the engine control computer which determines how much fuel to add tot eh mixture for the right air/fuel mixture. The oxygen sensor is located in the exhaust manifold and it functions by generating an electric current when the oxygen is at a certain level. It also acts as a control to the pollution that is generated. With proper oxygen mixtures the engine will produce less and cleaner emissions. With too much oxygen in the manifold the engine will run lean. Lean mixtures might cause loss of power, overheating, and pinging. Pinging is the sound that may be created if the engine runs lean. Older vehicles do not employ oxygen sensors.

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