Typical Malfunction Thresholds
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P0451: CANISTER PRESSURE SENSOR NOISE MONITORING
| Frequency that EVAP pressure change 0.3 kPa [0.04 psi] or higher | 10 times or more in 10 seconds |
P0452: CANISTER PRESSURE SENSOR VOLTAGE LOW
| EVAP system pressure sensor voltage (EVAP pressure) | Less than 0.45 V [Less than 42.110 kPa (abs) (6.106 psi (abs))] |
P0453: CANISTER PRESSURE SENSOR VOLTAGE HIGH
| EVAP system pressure sensor voltage (EVAP pressure) | Higher than 4.9 V [Higher than 123.761 kPa (abs) (17.945 psi (abs))] |