Cylinders 1-2-3 are on the passenger's side. Cylinders 4-5-6 on on the driver's side. It would seem logical to assume that bank 1 was on the passenger's side of the car.
Passenger side, front of engine.
On a 2002 Ford E-150 , 4.2 liter V6 engine : Bank 1 is the PASSENGER SIDE of the engine
In a front wheel drive vehicle : For a Ford 3.0 liter V6 engine : firewall 1-----2-----3 ( bank 1 ) 4-----5-----6 ( bank 2 ) front of vehicle ----------------------------------------------------------------------------------------- In a rear wheel drive or 4X4 vehicle : For a Ford 3.0 liter V6 engine : firewall 3 - 6 2 - 5 1 - 4 front of vehicle ( 1 , 2 , + 3 are bank 1 ) ( 4 , 5 , + 6 are bank 2 )
Bank 1 is the passenger side of the engine on a Ford V8 and V6
On a Ford 5.4 liter V8 engine : ( in a Ford Expedition , Ford F-150 etcetera ) Bank 1 is the passenger side of the engine , Bank 2 is the drivers side
On a Ford 5.4 liter V8 , bank 2 is the drivers side of the engine * in a truck / SUV / van
Bank 1 is the passenger side of your 4.0 liter V6 in a 1998 Ford Ranger
Bank 1 is the passenger side - Helpfull
bank 2 is the drivers side of the engine
Bank 2 is the drivers side of the engine on your 2000 4.6 liter Ford Expedition
In a Ford F-150 , 5.4 liter V8 : ( bank 2 is the drivers side of the engine )
On a Ford 5.4 liter V8 engine in your Ford F-150 : Bank 1 is the passenger side of the engine