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P0176 Diagnostic Trouble Code Discussion for December 2007

Loss Of Flexible Fuel Calibration Signal

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Trouble Ticket Help Requests for DTC P0176
Help Request Posted
1999 Ford Ranger XL 3.0L Misfire, MIL Lamp on, Backfiring VIN: 1FTZR15V1X
P0176: Flexible Fuel Sensor Circuit Malfunction. This truck has a flexible sensor code(po176). Our scanner gives us no data. We checked all power & grounds & were fine. Hertz output at idle is VERY high(170 HZ)Specs is 58-66. The truck is not running good at all(backfires, rough etc) The customer use...
December 17, 2007