× 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 January 2008

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 BMW 318ti 1.9L Poor Idle Quality VIN: WBACG8337W
P0455: evap gross leak. Have this BMW with rough idle can feel vibration through out the car.engine will have a slight shake at idle.used smoke machine to found any vacuum leak none found.blocked off pcv hose no change.did compression test good all cyl.175 psi.vehicle does run good w...
January 19, 2008
1999 Audi A4 2.8L MIL Lamp on VIN: WAUED28D9X
P0455: evap system large leak detected. Hello group. I need a little assistance with this Audi. I have a major evap leak code and I can't see any problems. We are a Mercedes repair shop that is working on a Audi for a good client. I tested the gas cap and it passed leakage test. The gas cap is after...
January 21, 2008