1991 crown victoria fuel (inertia) reset switch

Asked by Feb 26, 2019 at 09:10 AM about the 1991 Mercury Grand Marquis

Question type: Maintenance & Repair

Ive read that the fuel reset switch is somewhere in
the trunk, either on the latches or somewhere fairly
visable. However I cannot seem to find mine. Is
there another location for these switches? It has
the carburated 351w because its an old police car,
unsure if that matters or not.

1 Answer

22,560

Being a carbureted engine, it would have the engine cam driven fuel pump that stops when the engine stops. These inertia switches are used only on fuel injected engines that have a high pressure (60 psi) electric fuel pump in the gas tank. So if you don't have about 5 psi fuel pressure at the carburetor, check pump and filters, one on the carb inlet and another between tank and pump on the engine block.

2 people found this helpful.
Best Answer Mark helpful

Your Answer:

Mercury Grand Marquis Experts

  • #1
    Tracy Hooks
    Reputation
    7,420
  • #2
    Js08016
    Reputation
    2,990
  • #3
    Trippmeister
    Reputation
    2,700
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Lincoln Town Car
12 listings
Used Ford Mustang
77 Great Deals out of 1,860 listings starting at $4,987
Used Ford F-150
193 Great Deals out of 14,837 listings starting at $2,000
Used Ford Taurus
11 Great Deals out of 358 listings starting at $3,468
Used Honda Accord
52 Great Deals out of 1,961 listings starting at $2,799
Used Ford Explorer
45 Great Deals out of 2,012 listings starting at $3,000

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.