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P0456 Diagnostic Trouble Code Discussion for May 2012

EVAP System Small Leak

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Trouble Ticket Help Requests for DTC P0456
Help Request Posted
2005 Chrysler 300 Limited 3.5L MIL Lamp on VIN: 2C3JA53G25
P0456: EVAP System Small Leak Detected. ... tvery intermittantly will set these two codes. (sometimes it only sets a p0455). i have replaced a faulty cas cap last month with oem. the code usually sets within a month of clearing. i have smoke tested system several times to no avail. tested purge valv...
May 02, 2012
2004 Jeep Grand Cherokee Overland 4.7L MIL Lamp on VIN: 1J8GW68J44
P0456: EVAP System Small Leak (0.020") Detected. ... help with this one . came in with all these codes. so i cleared codes and test drove ,re scanned showed 1 trip codes p0158,p0138,p0161,p0141. i found open circiut in heaters in 02 sensors, installed new ones ,cleared codes and drove again no codes. next da...
May 17, 2012