Detection Condition
- DTC P0455 indicates a substantial leak or blockage has been detected in EVAP system when there is -7 in. H2O (-1.74 kPa) or less vacuum for 30 seconds evaluation time.
- DTC P1443 indicates a substantial leak and no purge flow has been detected in EVAP system when there is -7 in. H2O (-1.74 kPa) or less vacuum for 30 seconds evaluation time with less than 0.02 lb./min vapor flow.