NASSER SIRJANI

The Oxygen Sensor detects the amount of oxygen in the exhaust gas and sends a signal to the engine control unit which adjusts the air fuel mixture to the optimal level.

Too much oxygen in the exhaust gas indicates a lean mixture, which can cause performance problems, including misfires. Too little oxygen indicates a rich mixture, which wastes fuel and results in excess exhaust emissions.

When does an Oxygen Sensor need to be replaced?

Exposure to carbon, soot, harmful gases, anti-freeze, chemicals plus thermal and physical shock will shorten the life of an Oxygen Sensor. This results in increased fuel consumption, poor engine performance and excessive exhaust emissions.

That’s why checking for and replacing a worn out Oxygen Sensor is an important part of every routine service.

Oxygen Sensors with 1 or 2 wires typically have a service life of 50,000kms. While 3 and 4 wire sensors have a service life of approximately 100,000kms.

ناصر سیرجانی چهارشنبه 14 اردیبهشت 1390 ساعت 22:37

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