Walker Oxygen Sensor (downstream Front) Fit Acura Rl Tl on 2040-parts.com
Mobile, Alabama, United States
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Walker Products 250-24097 Oxygen Sensor (Downstream Front)
The oxygen sensor is a device which determines the oxygen content of the exhaust gas. Since the amount of oxygen in the exhaust gas is a very good indicator of combustion efficiency it is also the best place to monitor the air fuel ratio. Located in the exhaust system the oxygen sensor produces a voltage proportional to the amount of oxygen in the exhaust versus the air (150 mV lean 750 mV rich). This data is used to control the air-fuel mixture through PORT or TFI injectors and carburetors. Sensors are monitored or checked anywhere from 4 to 100 times per second. The air-fuel mixture is thus always moving from rich to lean averaging very close to stoichiometric (ideal) ratios. The ceramic sensor body is contained in a housing which protects it against mechanical effects and facilitates mounting. The ceramic body is made of stabilized zirconium dioxide (zirconia). Its surfaces are coated with electrodes made of a gas-permeable platinum layer. In addition a porous ceramic coating has been applied to the side exposed to the exhaust gas. This coating prevents contamination and erosion of the electrode surfaces by combustion residue and particulates in the exhaust gases. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet and exceed all original equipment specification and test requirements. Improved Engine Response Performance Lower Emissions Improved Fuel Economy Longer Sensor Life Meets OEM Specifications At Walker Products we recognize the need to keep vehicles running clean. A bad oxygen sensor can cause unacceptable emissions levels affect performance and ultimately damage the catalytic converter. Make it a point to check the oxygen sensors at each tune-up and replace faulty sensors with new Walker oxygen sensors |
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