Where is the Oxygen sensor on my 1999 Nissan Maxima?

Answer 1

Mounted in the exhaust manifold or on exhaust before catalytic convertor

Answer 2

California Maximas have four o2 sensors Buy only nissan sensors they have the corect wire plugs and clips to keep the wires away from hot exhaust pieces the average cost per sensor is $143.00 Federal cars have three sensors make sure you know bank one is on the side of the engine where #1 cyl is. the back bank of cyls... is bank one. Identify the code number get the correct sensor is difficult. H02S1 bank one located behind the motor under the powersteering pump threaded into the ehaust tube gray plug on top of the motor. H02S2 bank one under the car behind the cat converter wire gos thru a grommet grean connector. H02S1 bank 2 is red wire attached on the motor near the cooling fans if you have three plugs another sensor white wire then your under hood sticker will say california emissions. Good luck

Answer 3

LOL. yet another one led off objective via Autozone? What a ask your self. look, the O2 sensor is high-quality. It detects cat converter operation. The cat converter is undesirable. Now you get to get that replace and choose WHY it went undesirable. became into it because of age or a circumstance interior the engine? Yeah, time for a save pass to. interior the period in-between, the venture to do away with the worldwide of human beings who can no longer diagnose vehicle subjects is going on.