You must remove the fuel tank in order to access the fuel pump.
On a 1999 Mercury Cougar : The ELECTRIC fuel pump is INSIDE the fuel tank It is installed through an access hole in the top of the fuel tank
im pretty sure its in your trunk on the left side. Mine is a 96 and that's where it is...
In the fuel tank
Yes
its in the fuel tank repair about 700.00
Inside the fuel tank
The primary cause for jerking on a 99 Mercury Cougar is the engine not getting enough fuel. This can be a sign of a clogged fuel filter, bad fuel pump, or clogged fuel injectors.
The fuel pump on a mercury cougar is in the fuel tank. You are going to have to remove the fuel tank, take the lock ring off of the tank, and then pull the pump assembly out.
relay R1 is for the fuel pump on a 1999 Mercury Cougar
According to the 1999 Mercury Cougar Owner Guide : ( 58.5 litres / 15.4 U.S. gallons )
it in your gas tank if its fuel injected
According to the 2001 Mercury Cougar Owner Guide : ( the fuel tank holds 15.4 US. gallons )