Wide Band Lambda Sensor
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The wide band lambda sensor measures the oxygen content in exhaust gas and outputs a voltage signal. If the exhaust is rich in fuel or air, the voltage will be more or less than 450mV respectively, indicating a positive or negative current. An output of exactly 450mV means the exhaust is at the ideal air-fuel ratio.
Wide Band Lambda Sensor
- 1. Wide Band Lambda Sensor
- 3. Air Rich Exhaust More Than 450 mV Positive current O2 Exactly 450 mV
- 4. Air Lean Exhaust Less Than 450 mVExactly 450 mV Negative current O2