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Heated Oxygen Sensor 2 Heater: Operation

Engine speed RPM Heated oxygen sensor 2 heater
Above 3, 000 OFF
Below 3, 000 RPM after the following conditions are met.
  • Engine: After warming up
  • Keeping the engine speed at 3, 000 RPM for 1 minute and at idle for 1 minute under no load
 ON
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