Have P0442 (small EVAP leak) code. Used to have P0455. That went away when I took off canister control valve and cleaned. Guess P0442 always there and was covered up by P0455. Planning on doing smoke test with a cigar and hand suction pump. Anyone tried this. Since CCV is normally open, figured I'll connnect up there.

 

did you find anything 2 years ago? Dealing with the same thing here

 

Check out my other post at https://www.jaguarforums.com/forum/x...achine-256573/
Where the fitting goes into the cannister there are o-rings. Went to hardware store and found some of same size. Fixed leak and code.