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P0455 Diagnostic Trouble Code Discussion for September 2006

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2001 Dodge Dakota 3.9L MIL Lamp on, evap codes VIN: 1B7GL22X91
P0455: EVAP System Large Leak (0.080") Detected. I have found fuel at the bottom hose of the carbon canister. This hose goes to the top of the tank, but not on the fuel module. can someone tell me if this is normal or if there is a problem with some sort of valve? thanks
September 01, 2006
2002 Dodge Durango Sport 4.7L MIL Lamp on VIN: 1B4HR38N72
P0455: EVAP System Large Leak (0.080") Detected. ... 02 durango that belongs to my uncle six weeks ago he brought it by with the mil on with a p0455. during my visual inspection i found the hoses at the vapor cannister split and fallen off and the vacuum hose to the purge solenoid cracking. i replaced the ho...
September 10, 2006
1996 Volvo 850 GLT 2.4L MIL Lamp on VIN: YV1LS5548T
P0455: Evap Control System Gross Leak Detected. ... the shop for a while and I just can't seem to find the problem. Everytime I reset the check engine light it comes back on right away for P1307. The accelerometer, A/C pressure sensor, and tank pressure sensor all share the same ground wire from the PCM. I ...
September 11, 2006
2001 Dodge Ram 2500 Van 5.9L MIL Lamp on VIN: 3B7KF2371G
P0455: EVAP System Large Leak Detected. vehicle has been back 3 different times with the mil on, has had the po442 this time has po455 also, smoke test system with evap smoke machine, i'm not too familar with the ldp, i have a modius scanner and cannot take control of the ldp, i would like to know i...
September 12, 2006
2001 Mercedes-Benz ML430 4.3L MIL Lamp on VIN: 4JGAB72E01
P0455: Evap system gross leak. I have a Evap code P0455(gross leak) on this ML430 and have hit a dead end. System is tight, purge and vent valves opening and closing(sealing also). My questions are... What voltages should I see at the Fuel Tank Pressure Sensor at 25 mbar,pressure released(g...
September 25, 2006
2001 Saab 9-3 2.0L MIL Lamp on VIN: YS3DD58H31
P0455: EVAP Gross leak. ... enigne light comes on and stores P0455. Smoke check showed no leaks so what ever is causing this has to be intermittant failure. Also not related to light but engine has rattle noise that appears to be from timing chain area of valve cover. Any help would ...
September 29, 2006