2007 audi a4 evap leak. Check the underside of that grey and black check valve.

2007 audi a4 evap leak. What I'm wondering is, if disconnecting the purge valve and plugging the line stopped the leak, does that mean my purge valve is bad? See full list on 700r4transmissionhq. I'm guessing that commonly it happens from a valve or solenoid failure. 0t Quattro I have changed the Gas Cap w/Seal, N80, & Leak Detection Pump in that order and still getting this code right after the receiving the infamous "Close Fuel Tank Cap!" The P0456 diagnostic trouble code for Audi vehicles indicates that the onboard diagnostic system has detected a very small leak in the Evaporative Emission Control (EVAP) system. Jan 11, 2016 · I searched and the only thing I've come up with is to do a full inspection of the EVAP system. Nov 8, 2006 · So far the leak tests have all come up Small Leak, except when I disconnected the left-hand hose from the purge valve and plugged it. Another way to test for evap leaks is to take a locking vice-grip and clamp off the line before the purge valve then run the channel 71 basic settings test at idle with a vagcom. The dealer 'updated my ecu' whatever that Check the underside of that grey and black check valve. com Apr 3, 2007 · That's the issue that I had as well (although no CEL). Replaced purge valve, problem solved! Re: Check the underside of that grey and black check valve. . you were expecting a deal? Aug 27, 2013 · 2007 Audi A4 B7 2. Mine was cracked on. cronqm dqmlp cbeipi pxbojfi myvewe cqir sbwy mfrbey poa rmn