911 Carrera 4 Cabriolet (996) F6-3.4L (1999)
/f6-3.4l/Page-614003.png)
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ECM-controlled switching on of sensor heater
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One shunt for each 02-sensor pair upstream and downstream of catalysts: for current measuring
Flow chart of monitoring function (oxygen sensor heater)
Porsche Workshop Service and Repair Manuals
Diagnosis of Oxygen Sensing System Mixture Adaptation|Page 2706 >
< Diagnosis of Oxygen Sensing System Mixture Adaptation|Page 2704
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