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P0456 Diagnostic Trouble Code Discussion for December 2006

EVAP System Small Leak

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Trouble Ticket Help Requests for DTC P0456
Help Request Posted
2002 Audi A4 1.8L MIL Lamp on VIN: WAULC68E62
P0456: small evporative leak. Help, code p0456, generic code for small leak, I tested gas cap with bar97 smog machine okay, i smoke tested at line at canister purge valve, but don't seem to get any smoke out of fuel cap, nor is any smoke coming out of fuel filler, I smoked at fuel tank but...
December 11, 2006
2003 Subaru Forester XS 2.5L Excessive Emissions VIN: JF1SG6313H
P0456: EVAP System Very Small Leak Detected. Smoke tested entire EVAP system while activating/deactivating all solenoids. No leaks found. Gas cap is fine. Customer has returned and gas cap has not be loose. Have any of you guys had an issue like this with the Subys. Thanks Brian
December 12, 2006