To replace the oxygen sensor disconnect the oxygen sensor electrical connector. Use an oxygen sensor socket to remove the sensor. spray the sensor with penetration oil if it is difficult to loosen. install in reverse.
You can replace the oxygen sensor on a 2002 lincoln LS by first unplugging the old one and then making sure the tread marks are lined up replace it with the new one.
2
unplug wire remove 2 7/32 bolts remove sensor
Replace it. Sensor 2 is the one AFTER the catalytic converter.
there are 4 of them. 2 before the catalytic coverter and two after
There isn't a reset, either the sensor, wiring, etc. is bad.
Disconnect the electrical connector, then unscrew the sensor. Installation is the reverse.
Code P0135 means upstream oxygen sensor heater circuit problem right cylinder bank. Did you clear code after replacing the oxygen sensor?
around $1000 us
Bank 1 is the passenger side of the engine on your Ford Explorer Sensor 1 is in the exhaust ( or exhaust manifold ) before the catalytic converter ( upstream ) Sensor 2 is in the exhaust after the catalytic converter ( downstream )
Bank 1 is the passenger side of the engine in your Ford Explorer Sensor 1 will be somewhere in the exhaust system , close to the engine , before the exhaust enters the catalytic converter ( upstream )
Bank # 1 is the passenger side of the engine Sensor # 1 is before the catalytic converter ( upstream ) Sensor # 2 is after the catalytic converter ( downstream )