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Old 06-30-2007, 06:02 PM   #1
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Default Scanned my 95

No codes and everything looked normal from what I could tell. One was a little odd. I used the Actron 9145 and exhaust oxygen would change between rich to lean every second. This happened at both idle and higher RPMs. It does seem to stay on lean a few seconds longer at 1500-2000 rpm range though. Is this a sign of a tired oxygen sensor or a properly operating one or something else?
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Old 06-30-2007, 06:59 PM   #2
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Originally Posted by BillBoost37
With a scanner, you can watch the Bank 1 sensor. Watching the mV reading .. it should flip flop between high and low numbers fairly quickly. Hi being 6-800 and low being 0-150. The higher and lower the numbers and the faster it moves..the better the sensor is reading.
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Hope that helps a bit.
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