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Since you sias pump(s) in plural, I'm assuming that you have dual tanks. Have a friend put their head by the tank in question and listen, when you turn the key to the "on" position, they will hear a high pitched buzzing if the pump is working. That is for the pump in the tank, the one located under the drivers door however, I do not know.

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โˆ™ 2006-08-27 14:30:37
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Q: How can you test the fuel pumps on an 1988 Ford Ranger 4x4?
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