With the key on / engine off :
I believe the 4.0 liter OHV is 35 to 45 PSI and the 4.0 liter SOHC is 64 to 75 PSI
The fuel pump pressure is what allows the fuel to flow to the engine. It determines how much goes in and also when.
how do you change a fuel pump on a 1999 ford explorer
On a 1997 Ford Explorer : ( the electric fuel pump is INSIDE the fuel tank )
The electric fuel pump is INSIDE the fuel tank on a 1997 Ford Explorer
The electric fuel pump is inside the fuel tank
On a 1997 Ford Explorer / Explorer Sport : The electric fuel pump is INSIDE the fuel tank
what is the model number for a fuel pump relay for a 2003 Ford Explorer
is there a access panel inside a 2003 ford explorer for the fuel pump
the fuel pump is located in the gas tank
On a 2001 Ford Explorer : The electric fuel pump is INSIDE the fuel tank ( it is installed through an opening on the top of the fuel tank )
A 1995 Ford Explorer has ( 1 ) ELECTRIC fuel pump . It is INSIDE the fuel tank
On a 2000 Ford Explorer : The ELECTRIC fuel pump is INSIDE the fuel tank . It is installed through an opening on the top of the tank