There is a red button mounted under the floorboard in the trunk on the drivers side. That is the fuel shut off.
The fuel pump relay on a 1991 Mercury Capri is located under the dash, near the main fuse panel. It controls when the fuel pump operates and provides power.
Where is the location of the fuel pump relay?
You may have to reset the fuel pump safety switch located in the trunk underthe tire cover on the left side.
The fuel pump relay is locate under the ECM. "Computer"
Mercury automobiles produced after the 1991 model year have the fuel pump inside of the fuel tank. Models before 1991 and the fuel pump on top of the engine.
Your 1991 Mercury fuel pump relay switch is located on the firewall of the engine compartment. The relay switch will be near the center of the firewall.
possible plugged fuel filter under hood, or bad fuel pump (access hatch under back seat)
I do bleave thet is under the back seat(just remove the seat and there is a plate there for the fuel pump) I think it is ther But I may be rong.
It's in the tank.
It will take a skilled mechanic approximately 5 hours to change the fuel pump in your 1991 Mercury Cougar. It can take a novice mechanic much longer.
in the fuel tank under the back seat. take out the back seat it just pops up and out and t is right there easy as pie to get to.
Fuel pump is bad!