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

DTC P0451 DETECTING CONDITION TABLE

Item	Detecting Condition	Possible Cause
DTC Strategy	Plausibility Check, Signal Stuck	Poor connection or damaged harness Faulty FTPS
Enable Conditions	Vehicle speed > 45km/h (28mph) Canister purge flow variation > 0.28g/sec. during 13 sec. Minimum tank pressure signal voltage > 0,32 V Modeled ambient air temperature > -10°C (14°F) No relevant failure 11 < Battery Voltage < 16V
Threshold Value	Tank pressure signal variation < 15 mV
Diagnostic Time	65Sec.
MIL On Condition	2 Driving Cycles