2000 Gmc Sierra Just Changed Fuel Pump Junk Yard Pump Works High Pitch Wine

2000 GMC SIERRA
140,000 MILES
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JLEOD
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I just changed my fuel pump with a junk yard pump. It works but the is a high pitch wine coming from it. Its very faint. Is this fine?
Nov 3, 2012 at 8:42 PM
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