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P0451 Diagnostic Trouble Code Discussion for October 2012

Fuel Tank Pressure Sensor Performance

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Trouble Ticket Help Requests for DTC P0451
Help Request Posted
2009 Mercury Mariner 2.5L MIL Lamp on VIN: 4M2CU81799
Vechile came in today after being driven about 100 miles, Ck Engine Light code PO451 was again inplanted, proceded with smoke agian... Found Smoke protruding from "CAPLESS Quick Fill" Filler Neck... Ordered new ford part and installed. Now the system w...
October 09, 2012