engine will not start without priming the throttle body

1999 CHEVROLET SILVERADO
110,000 MILES
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CAROLYNZ1
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Chevy Silverado 5.7 l engine will not start unless the trottle body is primed first. The fuel pump has plenty of pressure and it has a new fuel filter it must be sensor how do i find it
no check engine light comes on
Nov 13, 2011 at 5:22 PM
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FIXITMR
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have you tried giving it some gas pedal? does it sputter at all?
Sep 2, 2020 at 2:43 PM
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FIXITMR
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runs normal once started?
Sep 2, 2020 at 2:43 PM
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CAROLYNZ1
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yes give it gas with the pedal and it runs normal once started
Sep 2, 2020 at 2:43 PM
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FIXITMR
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i mean if you push pedal and hold while trying to start it starts? is that what you mean?
Sep 2, 2020 at 2:43 PM
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JJIMENEZ8891
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is this all the time or only in morning or after sitting?
Sep 2, 2020 at 2:43 PM
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WRENCHTECH
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What is the exact fuel pressure reading?
Sep 2, 2020 at 2:43 PM
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