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Home >> Honda >> 2008 >> Fit Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0451 (91): Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem (A/T) >> Malfunction Threshold (A/T)

Malfunction Threshold (A/T)

The FTP sensor output fluctuates by 0.3 kPa (0.1 in.Hg, 2 mmHg) or more at least five times within 3 seconds.