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Re: 1997 olds code PO134
Posted to Technical Discussion Forum on 11/4/2005

Yes guys it is 4.61 VOLTS not .461mv At pin number 22 purple wire of the PCM. The rear o2 sensor is a 4 wires type and works just fine. The Scanner readings are .451 mv rock steady, of course with almost 5 volts going to it how could it work?

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