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P0451 Diagnostic Trouble Code Discussion for January 2015

Fuel Tank Pressure Sensor Performance

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Trouble Ticket Help Requests for DTC P0451
Help Request Posted
2009 Honda Civic LX 1.8L MIL Lamp on VIN: 2HGFA16579
P0451: Fuel tank pressure sensor performance. ... don't get much time to diagnose it, so I am posting here first, to see if anyone has ran into this yet. PCM is intermittently setting a P0451 for fuel tank pressure sensor performance. It has been two weeks since I last cleared it, and it just barely came ...
January 19, 2015