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P0456 Diagnostic Trouble Code Discussion for October 2005

EVAP System Small Leak

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Trouble Ticket Help Requests for DTC P0456
Help Request Posted
2001 Dodge Grand Caravan Sport 3.3L MIL Lamp on VIN: 2B4GP44321
P0456: EVAP System Small Leak (0.020") Detected. ... codes p0442,p0455,p0456 Most of the time the gas cap is the problem so we put one on from the dealer but this was not the problem. The next time it came in we went by the book and did a leak check on it but did not come up with anything. I called one of my...
October 14, 2005