Mechanics

FUEL PUMP SOUNDS

1999 Mercury Marquis • V8 •

Should I hear a fuel pump sound when I turn the key on in my 1999 mercury grand marquis
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Mtazmith
February 16, 2011.




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

Tiny
Rasmataz
Feb 16, 2011.
Only for the first 2 seconds if the engine isn't running. It stays on after the engine starts.
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Wrenchtech
Feb 16, 2011.

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