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P0179 Diagnostic Trouble Code Discussion for July 2007

Fuel Composition Sensor High Frequency

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Trouble Ticket Help Requests for DTC P0179
Help Request Posted
2000 GMC Sonoma SL 2.2L MIL Lamp on VIN: 1GTCS1959Y
P0179: Fuel Composition Sensor High Frequency. ... service engine soon light coming on and we found, on two different occasions, codes P0178 & P0179. These codes are new to us because it is only for Flex Fuel models and they are not common around here yet. We priced out a new Fuel Compositon Sensor fro...
July 14, 2007