engine coolant AUDI A4 1995 B5 / 1.G ATQ Engine Oxygen Sensor Control Checking

AUDI A4 1995 B5 / 1.G ATQ Engine Oxygen Sensor Control Checking A4 1995 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1067/w960_1067-0.png AUDI A4 1995 B5 / 1.G ATQ Engine Oxygen Sensor Control Checking

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AUDI A4 1995 B5 / 1.G ATQ Engine Oxygen Sensor Control Checking 24-98
      
Notes:  
     
The oxygen sensor control behind catalytic 
converter overrules the oxygen sensor control 
before catalytic converter. It serves as a 
corrective control. 
    
Test requir