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I just pickup some downstream oxygen sensors, could someone tell me what resistance yours are showing (heater resistance), I just want to make sure they are the right ones, mine are reading about 10 ohms; thanks in advance.
 

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I have a new AC-Delco 3.7L downstream O2 sensor here and its reading around 5.4-ohms but not sure if the V8 sensor has the same readings.
 
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I hope the V8 are différent. Thanks btw. Any v8 owner?
 

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2011, 5.3, 40,000miles. My downstream O2 sensor heater circuit resistance is: Left side 7.0 ohms, Right side 6.7 ohms.
 
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