Ok, then your car is a GUII with a vacuum canister. Did you check for vacuum on the other side of the canister? The canisters are known to split. I have removed and bypassed a couple with good results, but you should then have vacuum on the tube to the canister and from the vacuum pump.
If you have vacuum coming from the pump, then just bypass the canister and remove it if you like. You don’t need it and even Nissan removed them on the GUIII. My car doesn’t have one.




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