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P0178 Diagnostic Trouble Code Discussion for November 2006

Fuel Composition Sensor Low Frequency

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Trouble Ticket Help Requests for DTC P0178
Help Request Posted
2002 Chevrolet Tahoe LS 5.3L No Start VIN: 1GNEK13Z82
P0178: Fuel Composition Sensor Low Frequency. this is a very intermittent problem. when it occurs it is usually from a cold start. it acts like a no fuel problem, but I have fuel pressure, injector pulse, and spark, finally it will start. when it does it acts like its comming out of a lean condition? once...
November 15, 2006