Bank 2 is the right side of the engine / passenger side. It will be the first 02 senser in the exhaust system. Look at the exhaust pipe where it bolts to the exhaust manifold and you will see the first 02 senser close to the engine. That is senser 1
Bank 1 is the drivers side of the engine and bank 2 is the other side.
02 Sensor, bank 2 no activity.
Right side behind cat
Check your connections and the air injection check valves. -Jager
Trouble code P1416 means: AIR System Bank 2
Trouble code P0141 means:O2 sensor heater circuit malfunction (Bank 1 Sensor 2)
Right next to the #1 spark plug on the bank 1 head, closest to radiator on drivers side
Find cylinder one, usually on the driver side. That is Bank one side, then go to the second O2 sensor, which will be the one after the cat converter.
Bank 2 is the side of the engine where the #2 spark plug is. On my 99 Silverado it's on the passenger side.
Bank one is the drivers side (left side).
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The drivers side.