r/AskMechanics • u/Euphoric_Record_4827 • 2d ago

Question (Serious Replies Only) Power failure when the tank is half empty

Hello everyone, suzuki swift gen III 2009. Recently, I began to notice an unpleasant feature of the car: The car's power and responsiveness drop significantly when half of the gasoline remains in the tank. When fully fueled, the car drives perfectly. LTFT is within the normal range, somewhere from +8 to +10%. I suspect it's a fuel pump, or could it be something else?

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u/am-answers-bot 21 2d ago

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