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Old April 20th, 2023, 02:35 PM
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ilvracn ilvracn is offline
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Join Date: Nov 2013
Location: atlantic iowa
Truck: 1966 gmc 1500
Age: 59
Posts: 215
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Default Re: Fuel supply loss when in gear

I also had a similar problem with my 66 1500. fuel pump check valve check valve came apart inside pump. these trucks seem to be hard on pumps. or pumps are poor quality. i carry a spare electric pump, in case of trouble. on my third pump in this truck.
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