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P0231 Diagnostic Trouble Code Discussion for February 2005

Fuel Pump Feedback Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0231
Help Request Posted
1999 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 1FTRF18W3X
P0231: Fuel Pump Sec Circuit Low. Thanks To All In Advance. This Truck Was Refered To Us By Another Shop With EVAP Codes. They Replaced The Canister & Canister Vent Solenoid. EVAP Codes Still Present. We Tested It Out & Found A Leak At Line By Canister Purge Valve -- Repaired That Leak...
February 16, 2005