Audi A4 P0455. 2007 Audi A4 20T code. Asked Aug 16 2014 by anonymous.
Its about 30F here if that helps any diagnosis. If pressure does not increase the Engine Control Module ECM will check for leaks in the line between the fuel tank and EVAP canister purge volume control solenoid valve under the following vacuum test condition. Not factoryoriginal brand Other leak or damaged piece in EVAP system.
Very clean car very well maintained.
It was making a knocking-like noise when I started it. How to fix an Evaporative Emission System leak on a 2007 Audi. The average annual repair cost is 739 which means it has average ownership costs. Check for damaged components and look for broken bent pushed out or corroded connectors pins.