DTC P0454 EVAP. Emission System-Pressure Sensor Intermittent: DTC Detecting Condition
DTC P0454 DETECTING CONDITION TABLE
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
|
- Poor connection or damaged harness
- Faulty FTPS
|
| Enable Conditions |
- Coolant temperature >74°C (165°F)
- Ambient air temperature model >-10°C (14°F)
- Vehicle speed < 10km/h (6mph)
- Time after start > 590 sec.
- Limited Canister saturation
- Estimated altitude < 2.4km (8000ft)
- Canister load < 1
- Minimum canister purge time: 3~25sec.
- -1700 Pa < Differential fuel tank Pressure < 400 Pa
- Idle speed engine operating state
- No relevant failure
- 11V < Battery voltage < 16V
|
| Threshold Value |
- Leak detection test inhibited more than 3 times due to noise in tank pressure signal
|
| Diagnostic Time |
- 3 times Leak test inhibited by Noisy signal
|
| MIL On Condition |
|