blazt help posted by Paulym1111 on March 27, 2010 at 11:26 AM
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ur other o2 sensor, probably more useful then your voltage. when you rev at like 2k rpm, both your o2 sensors should jump back and forth. when my car is at idle, one o2 sensor is lean, and the other is rich, i was told that was normal so you probably wont see yours sweeping back and forth at idol