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P0456 Diagnostic Trouble Code Discussion for March 2008

EVAP System Small Leak

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Trouble Ticket Help Requests for DTC P0456
Help Request Posted
2002 Dodge Durango SLT 4.7L MIL Lamp on VIN: 1B4HS48N52
P0456: EVAP System Small Leak (0.020") Detected. The PCM in this vehicle had a part# [...] that is not listed in Chryslers Flash Matrix - Some background - Another shop brought us this vehicle to be reflashed based on TSB 18-002-03. We used vehicle VIN to down-load the software upgrade (Part# [...]) from Chy...
March 26, 2008
2002 Jeep Wrangler Sport 4.0L MIL Lamp on, EVAP Code VIN: 1J4FA49S62
P0456: EVAP System Small Leak (0.020") Detected. Hello, I have this jeep with evap code P0456 small leak, have smoked the system many times,checked all components in system and have come up without a answer. 11 months ago I replaced the LDP for same code then about 2 months later same code replaced gas cap ...
March 29, 2008