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P0455 Diagnostic Trouble Code Discussion for April 2010

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2004 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G5TR4EDF4
P0455: EVAP System Large Leak Detected. ... driving me crazy. The code is P0455, and before the check engine light comes on it will read "check gas cap", and this fault returns within 10 miles of clearing it. So far I have of course replaced the cap, I have also replaced the fuel pump and se...
April 06, 2010
2001 Mercury Sable LS 3.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 1MEFM55511
P0455: emission system gross leak. hello this is my first posting i hope someone can help me with this one.customer brought in this vehicle said it struges to stay running.at first when i started the vehicle the idle went up to 2000 rpm for about 4 seconds and then dropped to undre 500 rpm and ...
April 16, 2010
2007 Dodge Caliber SE 2.0L MIL Lamp on VIN: 1B3HB28B17
P0455: EVAP System Large Leak. Changed Gas Cap, Smoked Fuel System - no external leaks, Monitored Pids - fuel trims ok, coolant temperature ok, O2 readings ok.
April 28, 2010