| Related DTCs | P0451: Evaporative emission control system pressure sensor range/performance |
|---|---|
| Required Sensors/Components (Main) | Vapor pressure sensor |
| Required Sensors/Components (Related) | Mass Air Flow (MAF) meter and Engine Coolant Temperature (ECT) sensor |
| Frequency of Operation | Once per driving cycle |
| Duration | Signal fluctuation (noise) monitoring: 15 seconds No signal change (stuck) monitoring: 20 minutes |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |
MONITOR STRATEGY