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Re: EGR Leaning effect on O2 Sensors?
Posted to Technical Theory Forum on 3/9/2015 8 Replies

The vehicle uses a single cell AFR sensor upstream of the catalytic converter and a conventional Oxygen Demand Sensor aka "Oxygen Sensor" after the catalytic converter. The vehicle also uses a MAF sensor.

In the example shown, opening the EGR has absolutely ... Login to read more.

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