Can a new fuel pump increase gas mileage Chevy blazer?

Yes, a new fuel pump can potentially increase gas mileage in a Chevy Blazer if the old pump was failing or not delivering fuel efficiently. A properly functioning fuel pump ensures the engine receives the right amount of fuel, optimizing combustion and improving overall efficiency. However, other factors like engine condition, tire pressure, and driving habits also significantly influence gas mileage. Regular maintenance is key to achieving the best fuel economy.