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How to Check the Operation of the Fuel Pump (Float)

Model: (Various brands) Various
Part: Fuel pump

Video tutorial

In this video, you will see how to check the operational status of the electric fuel pump or the submerged float pump in the fuel tank of your vehicle, following these simple instructions. First, locate your fuel pump, which is usually found at the rear of the vehicle or under the rear seat; then disconnect the electrical connector of the pump and check with a multimeter if the power supply voltage reaches the connector.

If the pump does not work, you can try tapping the fuel tank to trigger the pump operation; then proceed with the replacement!


Updated on 20 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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