FixVault

Oxygen Sensor Control

  1. Oxygen sensor must be connected. Connect an analog dwell meter or voltmeter to the idle stabilizer test pins A and C. See Fig 1 .
  2. Start the engine. The display panel of test meter must jump between 0-100% dwell or 0-12 volts. If the display does not change in 6 seconds, check for problem in oxygen sensor circuits.
Fig 1: Porsche 911 Carrera Electrical & Vacuum Diagram
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