Bank 1 is the passenger side of the engine in a Mercury Grand Marquis
Sensor 1 would be in the exhaust close to the engine before the exhaust enters the catalytic converter ( upstream sensor )
can this cause truck not to start
It"s located on the rear manifold, between the firewall and the engine for the upper oxygen sensor(b1s1), and between the catalyst converter and the resonator for the second oxygen sensor (b1s2), between the pipe and the floor.
A B1S1 O2 sensor would be threaded into the exhaust system between the catalytic converter and the engine.
b1s1 location
O2 sensor CKT slow response (bank 1 sensor 1). Sounds like a tired B1S1 O2 sensor if all the connections are good.
There are two oxygen sensor for Mitsubishi Outlander. Front Oxygen Sensor and Rear Oxygen Sensor
If the vehicle was built with an oxygen sensor, you will need an oxygen sensor.
the oxygen sensor(s) on any car is gonna be screwed in the exhaust. the primary sensors are screwed in the exhaust manifolds. the secondary sensors are going to be screwed right before, in, or right after the catalytic converters. if your getting a check engine light, find out what code is in the computer and the definition. b1s1 means bank 1, sensor 1. bank1(or2) means which exhaust side, and sensor1(or 2) is the location of the sensor on that side. the side that has the number 1 spark plug is going to be bank 1.
It's integrated into the oxygen sensor. Buy a new oxygen sensor and you get a free oxygen sensor heater.
Remove the vacuum hose from the oxygen sensor. Remove the oxygen sensor retaining screws. Reverse the process to install the new oxygen sensor.
Remove the oxygen sensor vacuum to. Remove the oxygen sensor screws. Reverse the process to install the new oxygen sensor.
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.
it is the oxygen sensor afterthe cat conv