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Old 07-09-2018, 10:30 PM   #1
Miller0391
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Default Fuel pump? L300 3.0L

I have a 2004 saturn l300 3.0 v6 and I went out of town for a couple days then drove about 1 mile and my car shut off and wouldnít start back up. Iím thinking itís the fuel pump because itís making a thumping noise when I turn the key to the on position and it keeps making the thump noise like a thump every second or 2. My gas gauge stopped working too when this happened. Just curious what you guys think it is, just never have heard a fuel pump make this thump noise.

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Old 07-10-2018, 12:13 AM   #2
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2003 L-Series 3.0L Sedan
Default Re: Fuel pump? L300 3.0L

There are two ways to determine if a fuel pump is working or not - depressing the fuel test valve on the fuel rail after ignition is turned on or connecting a fuel pressure gauge to this test valve and cycle ignition on. Autozone or Advance Auto have loaner tools.

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