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P0455 Diagnostic Trouble Code Discussion for August 2007

EVAP System Large Leak


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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2003 Hummer H2 6.0L MIL Lamp on VIN: 5GRGN23U53
P0455: EVAP System Large Leak (0.080") Detected. I have this hummer in for P0455. Did an evap smoke test no leaks found it had an EVAP leak code in it, we replaced the Vent Solenoid,Purge Solenoid,and Fuel Pressure Tank Sensor BUT now we cant get evap monitor run All others monitors are ready Cat,heater,O2 W...
August 02, 2007
2001 Nissan Frontier XE 2.4L no monitors set
P0455: EVAP System Gross Leak Detected. need help from some nissan guys.Repaired vehicle and cleared codes. i can get cat.,o2 sensor, heaters to set but can not get evap or egr to set need help on drive cycles for evap and egr.No pending codes as of now.
August 06, 2007
2002 Nissan Frontier SE 3.3L MIL Lamp on VIN: 1N6ED27T82
P0455: EVAP System Gross Leak Detected. ... three times with same code p0455, but no patern in timeline. 1 week to 2 months. we have smoke tested it and found no leaks, gone through the diagnostic charts on all data and found no problems, even vacuum tested and pressure tested using hand pump, nothi...
August 09, 2007
2001 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28TX1
P0455: EVAP System Gross Leak Detected. ... ligh on & not the issue. have code p0455-evap system gross leak detected. quized customer after checking codes about possibility of leaving gas cap loose or off-answer was no. checked tsb's on mod & all data. sear...
August 27, 2007
2001 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28TX1
P0455: EVAP System Gross Leak Detected. ... ligh on & not the issue. have code p0455-evap system gross leak detected. quized customer after checking codes about possibility of leaving gas cap loose or off-answer was no. checked tsb's on mod & all data. sear...
August 29, 2007