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Subject:o2 sensor voltage
From:Shawn Fowler
Date:Tue, 3 Apr 2007 14:28:37 -0700

Howdy all,

I popped a meter on my o2 sensor at the clip 24" away from the sensor and was getting quickly changing voltages around the .3 - .4

Does this sound about right?  I also put my meter on the ground wire where it hits the head and had a nominal reading there, .01 or so.

The engine is still running very rich- temp II sensor is replaces as well.

Is there a way to test the signals at the ECU?

Any ideas?

Thanks

Shawn

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