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P0178 Diagnostic Trouble Code Discussion for December 2006

Fuel Composition Sensor Low Frequency

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Trouble Ticket Help Requests for DTC P0178
Help Request Posted
2001 Chevrolet S10 2.2L MIL Lamp on VIN: 1GCCS19541
P0178: Fuel Composition Sensor Low Frequency. Yhis vehicle is in for an emmision inspection but the light is on. The codes are for the fuel composition sensor but I cannot find one. My shopkey locator says its on the frame in the fuel lines. This truck does not have one that I can find. I have had the com...
December 07, 2006