Disconnect the negative side of the battery
It's in the right front passenger footwell , by the kick panel
On a 2004 Mercury Mountaineer : The ELECTRIC fuel pump is INSIDE the gas tank
According to the 2004 Mercury Mountaineer Owner Guide : ( 22.5 U.S. gallons )
fuel gauge not working and power windows and radio.2004 mercury mountaineer.
wheel bearings mountaineer 2004
Take it to the dealer. Be responsible.
A door panel on a 2004 Mercury Mountaineer is held on by several screws. Once all the screws are removed the panel can easily come off.
# 24 is a 15 amp fuse for the cigarette lighter , OBD II , in the passenger compartment fuse panel of a 2004 Mercury Mountaineer
Starting with the 2002 model , there is no automatic transmission fluid dipstick on the Mercury Mountaineer ( and the Ford Explorer , 4 door )
To reset the tire pressure sensor on a 2004 Mercury Mountaineer, start by checking and adjusting the tire pressures to the recommended levels. Next, turn the ignition to the "ON" position without starting the engine. Press the reset button, usually located under the steering wheel or in the glove compartment, until the tire pressure light blinks three times. Finally, turn the ignition off and then back on to complete the reset.
Max capacity is 22.5 gallons.
To reset the ABS light on a 2004 Mercury Mountaineer, you can start by disconnecting the negative battery terminal for about 15 minutes to reset the system. After reconnecting, turn the ignition to the "On" position without starting the engine and check if the light has turned off. If the light persists, it may indicate an underlying issue with the ABS system that requires diagnostic tools or professional assistance. Additionally, using an OBD-II scanner can help clear any stored trouble codes related to the ABS system.