DTC P1454: Fuel Tank Pressure (FTP) Sensor Range/Performance Problem: Notes

Fig 1: FTP Sensor Output After Starting Engine

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Malfunction Judgment Flowchart Of FTP Sensor And EVAP Canister Vent Shut Valve

Courtesy of AMERICAN HONDA MOTOR CO., INC.