bank 2 is the drivers side of the engine on your Ford Explorer ( V6 and V8 )
Bank 2 is the drivers side of the engine in your Ford Explorer Sensor 2 is after the catalytic converter ( downstream )
Bank 1 is the passenger side of the engine ( V6 and V8 ) in a 2001 Ford Explorer Sensor 1 would be close to the engine before the exhaust enters the catalytic converter
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The passenger side of the engine
Bank 2 is the drivers side of the engine
Bank 1 is the passenger side of your engine on your Ford Explorer Sensor 2 is in the exhaust pipe after the catalytic converter ( downstream )
On a 1999 Ford Explorer : Bank 1 is the passenger side of the engine ( 4.0 EFI / 4.0 SOHC / 5.0 V8 )
Bank # 1 is the passenger side of the engine
Bank 1 is the passenger side of the engine in your Ford Explorer
drivers side of engine is bank 2 , on your 1998 Ford Explorer
Bank1 is the passenger side of the engine on a Ford Explorer
Bank 2 is the drivers side of the engine on your Ford Explorer Bank 2 / Sensor 1 is in the exhaust manifold or the exhaust pipe before the exhaust enters the catalytic converter