LCU ONE Replacement Lambda Sensor only for LCU One. This is the Lambda sensor only and requires the LCU One control unit. If you don't have the Control unit you will need to purchase the LCU One Kit which includes the Lambda sensor and the Control Unit. Bosch LSU 4.9 Probe The Bosch LSU 4.9 Probe sensor is designed to measure the proportion of oxygen in exhaust gases of automotive engines (gasoline or Diesel). The wideband lambda sensor LSU 4.9 is a planar ZrO2 dual cell limiting current sensor with an integrated heater. Its monotonic output signal in the range of lambda 0.65 to air makes the LSU 4.9 capable of be- ing used as a universal sensor for lambda one measurement and other lambda ranges. The connector module contains a trimming resistor, which defines the characteristic of the sensor. The main benefit of the LSU 4.9 is the robust design combined with the high Bosch production quality standard. Installation You should install the lambda sensor at the point, which permits a representative exhaust-gas mixture measurement, which does not exceed the maximum permissible temperature.Install at a point where the gas is as hot as possible.Observe the maximum permissible temperature.As far as possible, install the sensor vertically (wire upwards), with the tip not being vulnerable if another kart bumps into you.The sensor is not to be fitted near the exhaust pipe outlet so that the influence of the outside air can be ruled out.The exhaust-gas passage opposite the sensor must be free of leaks to avoid the effects of leak-air.Protect the sensor against condensation water.The sensor is not to be painted, nor is wax to be applied or any other forms of treatment. Use only the recommended grease for lubricating the thread.
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