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P1456 Diagnostic Trouble Code Discussion for October 2010

EVAP System Very Small Leak Detected

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Trouble Ticket Help Requests for DTC P1456
Help Request Posted
2003 Honda Odyssey EX 3.5L MIL Lamp on VIN: 2HKRL18603
P1456: EVAP System Leak Detected (Fuel Tank Area). ... operation description on this Honda EVAP system. Once I understand the system correctly I know I should be able to find the cause. I have Ford and GM EVAP diagnostics nailed. Honda I don't fully understand. I'm working on a '03 Odyssey that has a '04 EVA...
October 05, 2010