The passenger side
Bank 1 would be the bank of cylinders that contains the number 1 cylinder. Bank 1 sensor 1 would be the first O2 sensor in the exhaust leaving the bank 1 cylinder head and before the bank 1 catalytic converter.
On a 1999 Ford E-150 : For the GASOLINE engines ( V6 , V8 ,, V10 ) Bank 1 is the passenger side of the engine and bank 2 is the drivers side
1/2 inch. that's it!
The number one cylinder on a Ford E150 2001 with a 4.2 coil is on the left, just behind the fan. The firing order for this engine is 1, 4, 3, 5, 3, 6.
4 - 8 3 - 7 2 - 6 1 - 5 front
On a 2002 Ford E-150 , 4.2 liter V6 engine : Bank 1 is the PASSENGER SIDE of the engine
In a 2001 Ford Windstar : firewall 1-----2-----3 ( Bank 1 ) 4-----5-----6 ( Bank 2 ) front of vehicle > driver
The passenger side of the engine is bank 1 on your 2001 Ford F-150
Bank 1 is the passenger side of your engine
On the V6 it would be the cylinder head or bank at the front of the engine. ========================================================= Actually , that would be bank #2 , the cylinder head or bank at the rear by the firewall is bank 1
where is bank 2 sensor 1 in a 2001 ford taurus ses 6 cyl
Standing in the front of the engine and looking at it. The right side of engine-or head will be bank 1 The other head on the left will be bank 2.