DTC P0451 EVAP. Emission System-Pressure Sensor Range/Performance: DTC Detecting Condition

DTC DETECTING CONDITION

Item	Detecting Condition	Possible Cause
DTC Strategy	Check signal oscillations	Contact resistance in connectors Faulty FTPS
Enable Conditions	Minimum time in part load: 290 sec. Vehicle speed once above threshold: 45km/h(28mph)
Threshold Value	Difference between max./min.voltage < 0.015V
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