The drivers side.
Bank one is the drivers side (left side).
Bank 2 is the side of the engine where the #2 spark plug is. On my 99 Silverado it's on the passenger side.
Bank 1 is the drivers side of the engine and bank 2 is the other side.
bank 1 is the passenger side of the engine in your F-250
The passenger side of the motor is bank 1
Bank 1 is the passenger side of the engine and bank 2 is the drivers side of the engine on your 1997 Mercury Mountaineer 5.0 liter V8 engine
behind the converter on left side
Bank 1 is the exhaust pipe on the drivers side of the engine, and the other side is bank 2
Bank 1 Driver's side Bank 2 Passenger's side
Bank 1 is the passenger side of the V6 engine in a Ford Ranger
Passenger side is bank one on a LHS.
On a Ford Expedition , Ford F-150 , 5.4 liter V8 engine : ( bank 1 is the passenger side of the engine )