You only have one fuel pump in this tank. This is called a saddle tank and if you look at the labeling for number 8, that is actually just a fuel level sensor. Both sides have sensors but the passenger side is the only one with a pump.
https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump
Take a look at the info below and you will see that it talks about this where each half of the tank is equipped with a sensor. This means that the fuel pump pulls from both sides of the tank as it has a connection between the two reservoirs.
Please run through this and let me know what questions you have.
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Tuesday, October 12th, 2021 AT 5:31 PM