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P0455 Diagnostic Trouble Code Discussion for November 2007

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
1999 Ford Explorer XL 4.0L Misfire, MIL Lamp on VIN: 1FMZU34X1X
P0455: evap leak large. ... in the shop with similar symptoms last week (code po171& 174) and it was the intake gaskets. This 4.0 explorer threw a p0455 large evap leak and a p1309 general misfire code. I am leaning toward the intake gasket set again but wanted to run it by a cou...
November 05, 2007
2000 Land Rover Discovery Series II 4.0L MIL Lamp on VIN: SALTY1243Y
P0455: evap leak large. hi all i have this rover here with a large leak we smoke the system and found no leaks tested the vent valve and found it leaking replace the valve code came back we shut the valve off and let the engine run witch activated the purge and got connected to the f...
November 08, 2007