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

Fig 1: FTP Sensor Output Characteristics Curve
G08582631Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 2: FTP Sensor And EVAP Canister Vent Shut Valve Malfunction Judgment Flowchart
G08582632Courtesy of AMERICAN HONDA MOTOR CO., INC.