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the reason I ask is because my O2 sensor is reading about .8 volts but sends a 0 volt signal to ecu. i think some of the shielding wire came in contact with the center wire of o2 sensor wire where I mending the the wire. it would send the 0 signal even when i disconnected the o2 sensor. I finally just cut the wire clean so the center wire does not touch outer shield. My 02 sensor has a default reading of .32 volts and car run quite good even though 02 sensor not hooked up.
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