Where are the Bank 1 Sensor 1 oxygen sensor on a 1998 ford explorer?
Bank #1 is the passenger side of the engine , and sensor # 2 is in the exhaust after the catalytic converter ( downstream )
location of the O2 sensor heater on a 1998 GMC 5.7
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)
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
your bank one sensor is the o2 sensor on the exhaust manifold bank one means that it is on the same side of the engine as the #1 cylinder (driver side for the v6 not sure on the v8)
bank 1 is the passenger side of the engine sensor 2 is after the exhaust has passed through the catalytic converter ( downstream )
1/1 is the o2 sensor on the engine size of the catalytic converter.
Bank 2 is the drivers side of the engine in your Ford Explorer Sensor 2 is after the catalytic converter ( downstream )
On your Ford Explorer Sport , 4.0 EFI : Bank 2 is the drivers side of the engine Sensor 1 would be close to the engine ( it might even be in the outlet of the exhaust manifold ) BEFORE the exhaust enters the catalytic converter