Bank 1 on the 4.6 liter Ford is the passenger side of the engine
Sensor 1 is in the exhaust before the catalytic converter ( upstream )
Where are the Bank 1 Sensor 1 oxygen sensor on a 1998 ford explorer?
closest sensor to the motor
On a 1998 Ford F-150 or Ford Expedition , 5.4 Bank 2 is the drivers side of the engine Sensor 1 would be close to the engine BEFORE the exhaust enters the catalytic converter
Bank #1 is the passenger side of the engine , and sensor # 2 is in the exhaust after the catalytic converter ( downstream )
It is the upstream(before catalytic converter) oxygen sensor on the exaust that comes off the front engine bank.
bank 2 is the drivers side of the engine sensor 2 is after the exhaust has passed through the catalytic converter ( downstream )
On a 1998 Ford Explorer : Bank 2 is the drivers side of the engine ( 5.0 and both versions of the 4.0 ) Sensor 1 would be close to the engine BEFORE the exhaust enters the catalytic converter
Trouble code P0136 means:O2 sensor circuit malfunction (Bank 1 Sensor 2)
Bank 1 = The side of the engine the Number 1 cylinder is on Sensor 1 = between engine and catalitic converter Sensor 2 = After cat...
On a 1998 Ford Explorer , 5.0 liter V8 engine : Bank 1 is the passenger side of the engine Sensor 1 would be close to the engine BEFORE the exhaust enters the catalytic converter
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
Drivers side before the converter.