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 (TPS < 1.4° TPS) 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 > -22% Minimum purge time: 250sec.
Threshold Value	Signal fluctuation > 0.5hPa
Diagnostic Time	Immediate
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