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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 (Car) Limited 3.5L MIL Lamp on VIN: 2C3JA53G25
P0456: evap large leak. ... 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
2005 Chrysler 300 (Car) Limited 3.5L MIL Lamp on VIN: 2C3JA53G25
P0456: evap large leak. ... 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