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Re: GM Truck Fuel Pump Lifespan
Posted to Technical Discussion Forum on 2/23/2021 1 Reply

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... If you are worried about any fuel pump's life expectancy remaining...I would low amp clamp the power feed (or ground side) of it and look for even humps across your GMM or scope's screen...if there is a problem in the commutator it will show there...... Login to read more.

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