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O2 sensor test. 700

posted by  mapleleafer on  Thu Mar 27 18:00 CST 2008
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last visit: Wed Oct 9 00:36 CST 2013
[RELATED]

How quickly does the meter swing back and forth across the 0.45 volt point? That is the critical test that determines whether the sensor is good or bad. Minumum 8 cycles per 10 seconds. Anything less and the sensor is sluggish. An exhaust analysis would show this right up as slightly high CO with way high NOx.






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