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P1456 Diagnostic Trouble Code Discussion for December 2004

EVAP System Very Small Leak Detected

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Trouble Ticket Help Requests for DTC P1456
Help Request Posted
2001 Acura MDX 3.5L MIL Lamp on VIN: 2HNYD18251
P1456: EVAP System Leak Detected (Fuel Tank Area). ... code P1456. I inspected and leak tested the system with a MotorVac evap leak chek. As stated in the test results above it may have passed. Is code P1456 for a large or small leak? At step #21 in the diagnostics the FTP sensor did not move from 2.5v with va...
December 13, 2004