Thread: Fuel Pump Knock
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Old 03-16-2007, 05:20 AM   #5
dave2953
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Join Date: Jun 2004
Location: Winder, Georgia
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Re: Fuel Pump Knock

I use a piece of long heater hose as a "stethoscope". You can heaer the noise coming directly from the pump housing. I chased this noise everywhere before I could finally isolate it.
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