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Fuel pump for 99 sierra 2500

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Old 09-15-2011, 09:11 PM
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Default Fuel pump for 99 sierra 2500

Hello, I have a 99 sierra 2500 6.0L, the fuel pressure is low 50psi, can I just replace the pump and not the whole sending unit? I have seen on ebay they sell just the pump, but the people at the parts store say you have to replace the whole thing.
Thanks,
Jeff
Old 09-15-2011, 11:30 PM
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You can get the whole thing for $142 from here, why bother with a pump swap:
http://www.jdsperformance.com/index....=item&inmake=0
Old 09-16-2011, 05:48 AM
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What is wrong with 50 psi fuel pressure? That is within OEM specs.
Old 09-16-2011, 11:25 PM
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I thought I read fuel pressure was supposed to be between 60-65psi, I guess I'm wrong. Well if they fuel pressure is good than my hesitation is coming from something else.
Thanks guys,
Jeff
Old 09-17-2011, 05:21 AM
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Looks like the fuel pressure is supposed to between 55-65psi, I'm going to double check my pressure today.
Old 09-17-2011, 11:17 AM
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Not good my pressure was at 49psi at idle.




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