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P0451 Diagnostic Trouble Code Discussion for October 2014

Fuel Tank Pressure Sensor Performance

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Trouble Ticket Help Requests for DTC P0451
Help Request Posted
1997 BMW 318is 1.9L MIL Lamp on VIN: WBABE7322V
P0451: Fuel Tank Pressure Sensor. ... state inspection due to CEL on. Had codes P0340, P1423 & P0451, stored in computer memory. Replaced vacuum hoses for the P1423 & replaced cam sensor for the P0340. Code P0451 returns on second road test. According to my information system this code...
October 01, 2014