P1456 Diagnostic Trouble Code Discussion for May 2008
EVAP System Very Small Leak Detected
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1456
| Help Request | Posted | |
| 2002 Nissan Sentra CA 1.8L MIL Lamp on VIN: 3N1CB51D02 P1456: EVAP System Very Small Leak Detected. with the canister vent valve & vacuum cut valve grounded i ground the purge valve to put vacuum in the system. the voltage on the pressure sensor drops from 4 volts to 1.2 volts at 11 in vacuum. when i release the ground from the purge valve voltage on the... |
May 19, 2008 |
