DTC P0454 EVAP. Emission System-Pressure Sensor Intermittent: DTC Detecting Condition

DTC DETECTING CONDITION

Item	Detecting Condition	Possible Cause
DTC Strategy	Sensor signal noise check	Contact resistance in connectors Faulty FTPS
Enable Conditions	Idle state Minimum modeled ambient temperature > -10°C (14°F) Coolant temperature > 75°C (167°F) Vehicle speed < 5km/h(3mph) Estimated altitude < 2.4km(8000ft) Differential fuel tank pressure: -11 ~ 5.5hPa Limited canister saturation > -10% Minimum purge time: 100sec.
Threshold Value	Signal fluctuation > 0.5hPa
Diagnostic Time	0.15 sec.
Fail Safe	EVAP. System monitoring is inhibited Fuel Tank Pressure Sensor monitoring is inhibited Canister close valve monitoring is inhibited
MIL On Condition	2 Driving Cycles