I have a way to change generators (or atleast an attempt)

After playing Left 4 dead 2 on the passing and the sacrifice it gave me an idea, the generators in that require you to gather gasoline cans, and they require you to go around the port in the passing and gather gas cans and make yourself vulnerable to attacks, and on the sacrifice you work on the generator until the last one, which leads to the end of bill.

The Idea

Generators cannot be worked on until 2 gas cans are used on the gen, it takes 5 seconds to fill the generator with one can. The killer will see the aura of survivors that are filling generators with gas. After the gen is filled the generator will take 40 seconds by yourself, and increased by 1.5 seconds when 1 survivor joins you, etc. If the generator is damaged the survivor must repair the damages and that takes 10 seconds, overcharge increases the time by 2/3/4 seconds with the skill check.
The survivors can see the cans aura within 10 meters, and killer cannot see them. If the killer finds a gas can, the killer can pick it up(replaces ability until dropped) and move it else where. I should have mentioned this first but if the survivor hold the gas can, if they are injured when carrying it they will drop the can, and if they are at healthy carrying it they have a reduced movement speed, if the survivor is in the injured state and pick it up, the movement speed is reduced even more than if they are healthy.

 Thoughts, opinions, hate upon the idea? 
 Let me know

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