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P0172 Rich Mixture on downstream O2 sensor

posted by  someone claiming to be 2850s on  Wed Sep 8 02:29 CST 2004 [RELATED]

Are you getting a O2 High voltage as well as running rich? If so its probably the Mass Air Sensor






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New P0172 Rich Mixture on downstream O2 sensor
posted by  peafarmer  on Tue Sep 7 17:32 CST 2004 >


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