× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0455 Diagnostic Trouble Code Discussion for May 2007

EVAP System Large Leak

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0455
Help Request Posted
1998 Volvo V90 2.9L MIL Lamp on VIN: YV1KW9609W
P0455: Gross Evap Leak. ... inspection for codes P0455 Gross evap leak, and P0500 vehicle speed sensor. Another shop replaced the speed sensor. When we recieved the vehicle, only the P0455 was in memory. Tested evap system, found no leaks. Tested purge valve and found it not sealing ...
May 04, 2007
1997 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 2FTDX08W4V
P0455: EVAP System Large Leak Detected. ... on,code p0455 gross evap leak. did smoke test and found cannnister purge valve was leaking. replace valve and redid smoke test no leaks found. truck came back about a week later with same code. did another smoke test to it and could not find no leaks. clea...
May 22, 2007
1998 Volvo V90 2.9L MIL Lamp on VIN: YV1KW9603W
P0455: evap large leak. Howdy again,,, This BoBo is mocking me! I got this thing in and some how through the trouble code translation I got steered into catalyst effeciency. I found a rotted through vacuum line to the pair valve and the valve was stuck shut. The air pump was fine and...
May 23, 2007
1999 Volkswagen Beetle GL 1.8L MIL Lamp on VIN: 3VWDD21C8X
P0455: evap. large leak. ... after two or three drive cycles. It usually sets the p0441 [faulty flow] first [after 3-4 drive cycles] and the p0455 [large leak] code several days later. We inspected all the hoses carefully and also the canister but could find no obvious problems. Teste...
May 29, 2007