by Bevi on September 27th, 2009

Bevi

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Ihave a 1988 gmc truck with a 350 engine. I have no fuel flow, relaced fuel filter, fuel pump, fuel relay, and both injectors. Im getting no fuel from the fuel pump still. not sure if fuel pump is getting power needs

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Answers. 2 helpful answers below.

  • by leslyechris on September 28th, 2009

    leslyechris

    if you turn key on (not try to start) do you hear the pump? check the fuel module. also can put power to the pump and see if it will pump.

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  • by LarryH54 on September 28th, 2009

    LarryH54

    Put a voltmeter on the pump leads, then work back until you find the power. What triggers the relay?

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You're reading Ihave a 1988 gmc truck with a 350 engine. I have no fuel flow, relaced fuel filter, fuel pump, fuel relay, and both injectors. Im getting no fuel from the fuel pump still. not sure if fuel pump is getting power needs

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