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fuel pump pressure

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#1

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01-14-2005, 04:43 PM

rockwild

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fuel pump pressure

What would cause the fuel pump to push 40 psi instead of 58-64psi 94 blazer 4.3 cpi

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#2

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01-15-2005, 09:52 PM

ricksza

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Re: fuel pump pressure

Bad fuel pump, high resistance on electrical connections to pump, restriction in fuel lines (possible clogged fuel filter), or bad fuel pressure regulator.

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#3

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01-16-2005, 09:25 AM

rlith

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Most likely though the pump is plum worn out though..

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#4

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01-16-2005, 03:17 PM

BlazerLT

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Re: fuel pump pressure

Or insufficient current and voltage from the battery.

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