88 f-159 302 v-8, dual gas tanks replaced both fuel pumps and vent grommets and new fuel filter. Fuel pumps hum..what's causing it?

Asked by Drema_MC Aug 24, 2017 at 09:33 AM about the 1988 Ford F-150 XLT Standard Cab SB

Question type: Maintenance & Repair

Dual tanks.  Replaced both fuel pumps ,vent groments & fuel filter.  Truck only
has 43,500 miles. Took off resivor understand cleaned it.   Fuel pumps hum.  
What's wrong

1 Answer

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