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P1456 Diagnostic Trouble Code Discussion for July 2008

EVAP System Very Small Leak Detected

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Trouble Ticket Help Requests for DTC P1456
Help Request Posted
2004 Honda Pilot LX 3.5L MIL Lamp on VIN: 2HKYF18184
P1456: EVAP System Leak Detected (Fuel Tank Area). Hi car came to me with code p1456 evap leak tank area. Could not find a test port under hood to smoke so i disconnected purge line went thru that way. Seems ther is a check valve in the tank so i had to disconnect and go to tank behind canister. what i found h...
July 14, 2008
2000 Acura TL 3.2L Surge, Misfire, MIL Lamp on VIN: 19UUA5667Y
P1456: EVAP System Leak Detected (Fuel Tank Area). Vehicle has bad miss sometimes under light acceleration. Also at cruising speeds has a slight surge. Replaced all spark plugs with OEM brand and replaced cylinder 1 and 5 ignition coils. Still get a slight miss but cannot get a MIL, even after driving it for 2...
July 18, 2008