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2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900

No power. Po300,463

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Old Jan 1, 2014 | 9:26 PM
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aaron.63
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Question No power. Po300,463
Have a 98 chevy k-1500 4x4, running pretty bad. Ive replaced o2 sensors,cap roter plugs and wires.No improvement. When I shut the truck off the fuelpump whines for about 3-5 sec. fuel pressure is at58psi.whats causing the pump to run when I shut it off?
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