Is the because of the vape canister? I drive a 2001 toyota celica. Back in November it was diagnosed with a vapor canister leak and caused my check engine light to turn on. I neglected it after some guy told me it wasn’t anything serious. So yesterday i was on the phone with my girlfriend in my car and I left my keys in the ignition as we spoke and when I saw the gas gauge again it instantly dropped on gas. I thought since I had left the keys in the ignition it was acting up so i took them out and went home. Today in the morning when I got in my car It was still empty and I don’t think I saw any gas leaking on the street below my car. Is it due to the vapor canister? Or could it be the battery. Please help! My car basically instantly ran out of gas. 