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EGR Position Sensor (2.0L)

Disconnect EGR position sensor electrical connector. Check resistance across terminals. See Fig 1 . At room temperature, resistance should be 182-336 ohms. If resistance is not as specified, replace EGR control valve.

Fig 1: Testing EGR Position Sensor (2.0L)
G93H80751Courtesy of MAZDA MOTORS CORP.