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how to tell if fuel pump is going out?

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Old 03-21-2003, 07:38 AM
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Default how to tell if fuel pump is going out?

Does it make any kind of wierd noises or anything if the fuel pump is on its way out?
Old 03-21-2003, 08:16 AM
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Default Re: how to tell if fuel pump is going out? (PatrickGSR94)

I'm hearing a high pitched whine/hiss from mine, almost like alternator noise (I don't have any interior behind my front seats at the moment). Is this normal or should I be concerned?
Old 03-21-2003, 09:07 AM
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Default Re: how to tell if fuel pump is going out? (PatrickGSR94)

with no rear seats and a stock exhaust, you can easily hear the fuel pump. Its fine.
Old 03-21-2003, 10:39 AM
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Default Re: how to tell if fuel pump is going out? (PatrickGSR94)

there's a test you can do. I dont know the specifics for it but basically you take the fuel line and put a cup to it and measure the flow. For n seconds there should be x volume of fuel. If you are less than normal specs (look it up in a manual) then you know your pump isnt performing how it should be.
Old 03-25-2003, 04:08 AM
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Default Re: how to tell if fuel pump is going out? (tilt)

... measure the flow...
You can also measure the pressure - usually that's a test for the FPR, but if the pump can't keep the pressure high enough, you'll see that.
Old 03-25-2003, 07:27 AM
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Default Re: how to tell if fuel pump is going out? (JimBlake)

well I put my interior back in and I don't hear anything now. I guess it was normal.
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