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O2 sensors, location/task/design/function - GF07.04-P-4103AM: Notes

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Fig 1: Identifying O2 Sensor Design
G04839786
  O2 sensor, location   GF07.04-P-4103-02AM 
  O2 sensor, task Detecting the residual oxygen content in exhaust gas and supplying it as a signal voltage to the ME-SFI [ME] control unit (N3/10).
O 2  sensor upstream of TWC (slave sensor): 
  • Lambda control
  • Selfadaptation of mixture formation
  • Function chain test

O 2  sensor downstream of TWC (master sensor): 
  • Two-sensor control
  • Monitoring of the catalytic converter effect
  
  O2 sensor, design   GF07.04-P-4103-03AM 
  O2 sensor, function   GF07.04-P-4103-01AM 
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