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P0455 Diagnostic Trouble Code Discussion for July 2004

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
1998 Porsche 911 Carrera 3.6L Poor Idle Quality, MIL Lamp on VIN: WP0CA2993W
P0455: Gross EVAP Leak. Vehicle appears to run fine with the exception or a poor idle, 13" vac @ idle I suspect is due to a commanded ignition timing amount of 3 degrees. Vehicle runs good and appears to have plenty of power. When the MIL comes on and sets multiple cylinder misfi...
July 26, 2004
2002 Nissan Maxima SE 3.5L MIL Lamp on VIN: JN1DA31D72
P0455: EVAP System Gross Leak Detected. Nissan/Infiniti techs.Here's one for ya, P0226 [...] keep coming back after clearing all codes and this vehicle will not move.RPM's max out at 1500rpm and she crawls real slow. Customer states that he was driving on interstate and pulled off for a pitstop(fuel...
July 27, 2004