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P0179 Diagnostic Trouble Code Discussion for July 2005

Fuel Composition Sensor High Frequency

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Trouble Ticket Help Requests for DTC P0179
Help Request Posted
2002 GMC Yukon XL 1500 SLE 5.3L MIL Lamp on VIN: 3GKEC16Z62
P0179: Fuel Composition Sensor High Frequency. i have searched all over mitchell repair, and all-data, cannot find any pinpoint test or flow chart for PO179, any help would be greatly appreciated.
July 13, 2005