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Originally posted by Alpine TSi@Feb 29 2004, 10:04 AM
Quote:
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I don't think the ecu will work well under normal driving conditions with the narrow band signal. It looks for the O2 sensor to cycle more.
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Please elaborate... I wanted this setup so I didn't have to run two O2 sensors. If you have any other knowledge that would be appreciated.
Thanks
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The factory ecu looks for the O2 sensor to cycle up and down through normal operation (.00-1.0mv). The ecu takes the amout of sweep the O2 sensor shows and and uses the average to set up the fuel tables to get the correct a/f ratios. The ecu will start throwing trouble codes for a dead O2 sensor if it doesn't see the changing values.
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