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P0455 Diagnostic Trouble Code Discussion for May 2012

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2005 Chrysler 300 Limited 3.5L MIL Lamp on VIN: 2C3JA53G25
P0455: EVAP System Large Leak Detected. ... tvery intermittantly will set these two codes. (sometimes it only sets a p0455). i have replaced a faulty cas cap last month with oem. the code usually sets within a month of clearing. i have smoke tested system several times to no avail. tested purge valv...
May 02, 2012
2006 Chevrolet Cobalt LT 2.2L MIL Lamp on VIN: 1G1AL55F16
P0455: EVAP System Large Leak Detected. Hi guys, I have an evap code PO455 (gross leak detected) Customer already replaced cap and drove vehicle and code came back twice in same week. I smoked vehicle and after engageing vent control solonoid, found that vehicle would leak out the vent still. So I r...
May 12, 2012
1999 Mercedes-Benz SLK230 Kompressor 2.3L MIL Lamp on VIN: WDBKK47F4X
P0455: purge control system major leak or voltage supply of fuel pressure sensor. Fuel pressure/level sensor replaced previously to pass emissions. Fuel gauge (needle) intermittently will circle counter clockwise to temp gauge and occassionally bounce around. Intermittently low fuel warning light will flash usuakky shortly before check engi...
May 24, 2012