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P0456 Diagnostic Trouble Code Discussion for August 2012

EVAP System Small Leak

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Trouble Ticket Help Requests for DTC P0456
Help Request Posted
2007 Chrysler Pacifica Touring 4.0L MIL Lamp on VIN: 2A8GM68X27
P0456: EVAP System Small Leak. I have smoke tested the system and found no leaks. I dropped the fuel tank and checked the transfer pump connector. I tested the purge valve operation and it is fine. I'm not sure how to test the ESIM. I did a smoke test at the EISM vent and it holds pressure....
August 24, 2012
2003 Dodge Neon SXT 2.0L Stall VIN: 1B3ES56C83
P0456: EVAP System Small Leak (0.020") Detected. This car has been in every shop in town. It is a rebuilt wreck. It stalls intermittantly after first starting. About the time you pull out of the driveway and start to take off. It has had a used computer installed, new O2 sensor, new CMP sensor, transmission ...
August 30, 2012