P1454 Fuel Tank Pressure Sensor Range/Performance (Honda)
What does P1454 mean on a Honda?
P1454 — Fuel Tank Pressure Sensor Range/Performance (Honda). This Honda-enhanced code applies to Civic, Accord, CR-V.
Common causes of P1454
- Drifting fuel tank pressure sensor
- Intermittent sensor connector
- Failing sensor out of calibration
- Wiring fault
- ECM reference fault
How to fix P1454
- Compare sensor readings during EVAP tests
- Wiggle-test the connector
- Test sensor output against applied pressure
- Check wiring integrity
- Replace the sensor if readings drift