S420 Mercedes Benz

Tiny
S420 MERCEDES
  • MEMBER
  • 1997 MERCEDES BENZ S420
  • V8
How to start after it runs out of gas
Saturday, January 15th, 2011 AT 11:26 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
In tank/electric fuel pumps are cooled and lubricated by the fuel in the tank. When you run a car out of gas, 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
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Saturday, January 15th, 2011 AT 12:59 PM

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