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P0456 Diagnostic Trouble Code Discussion for May 2005

EVAP System Small Leak

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Trouble Ticket Help Requests for DTC P0456
Help Request Posted
2001 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48S11
P0456: EVAP System Small Leak (0.020") Detected. I have a quick question on this PO456 code. After testing fuel cap with stant fuel cap test kit, this passed. So the next test we performed was smoke test evap system. With the scanner in purge system test, & in the block system mode. I began to pump smoke...
May 13, 2005
2005 Dodge Dakota SLT 4.7L MIL Lamp on VIN: 1D7HW48N95
P0456: EVAP System Small Leak (0.020") Detected. hello everyone, this is my first time requesting help and i wouldn't bother you, but this truck is driving me insane. it has a code po456 for a small evap leak. there are no tsb's or pcm updates for this concern and the star center tells me there are no occur...
May 15, 2005
2001 BMW 325Ci 2.5L MIL Lamp on VIN: WBABN3481J
P0456: undocumented code. ... We do not have much to go on because this car runs great, the only problem is the MIL is on and we have no information in alldata to go on. P0456 showes up as an undocumented code on the scanner(snap on) and alldata. the light came on the day after a stude...
May 31, 2005