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Re: Down stream oxygen sensor operation?
Posted to Technical Theory Forum on 1/23/2011 3 Replies

In Alldata, go to, "Vehicle Level Powertrain Management Computers and Control Systems Oxygen Sensor Testing and Inspection"

The quicker and easier way is to use a scan tool , graph the fuel trims and o2 voltages and take a FRTD. Login to read more.

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