fuel pump make noise but don't pump fuel

1999 DODGE CARAVAN
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BOBINPR
  • MEMBER
  • 1 POST
Hi I have a 1999 dodge grand caravan 3.3l the car start having problem once was empty I put gas and it's start again but after 1 minute start have problem and try to power off I check the fuel pump and flow but no like it should suppose one of the cable from the fuel pump plug I put a tester light and switch on and the light come onfor 1 second I check another one cranking the motor and the light sTay on I connect the plug with the 2 lines unplugged and no fuel flow I put a new fuel pump from advance auto and the pump make noise but don't flow gas can you help me with that thanks
Jul 14, 2015 at 12:59 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
In tank fuel pumps are cooled and lubricated by the fuel in the tank. When you run a car out of gas or very low, it pumps a lot of air through the pump which overheats it and causes some severe wear and many times, failure when they cool off.
You will need to use a fuel pressure gauge to verify this
Jul 14, 2015 at 10:50 PM
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