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Fuel pump sounds

Tiny
MTAZMITH
  • MEMBER
  • 1999 MERCURY MARQUIS
  • V8
Should I hear a fuel pump sound when I turn the key on in my 1999 mercury grand marquis
Wednesday, February 16th, 2011 AT 8:21 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You suppose to hear it when key at run position-if not check the fuel pump fuse, fuel pump relay and the inertia switch-could also be the fuel pump itself
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Wednesday, February 16th, 2011 AT 8:24 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Only for the first 2 seconds if the engine isn't running. It stays on after the engine starts.
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Wednesday, February 16th, 2011 AT 8:50 PM

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