Questions & Answers for: Nissan Altima 02 sensors

...ahead of catalytic converter) knock sensor will not illuminate the chacke engine light. replace the 02 sensor and see what happens. have/check the harness going into the sensor. those wires brake ...

I want to change the o2 sensor on a 2002 2.5 altima, where is it located at in the engine so that I can do it. Thanks Your 02 sensor is located on your exhaust system coming off of your engine. It ...

...02 sensor on my 2005 nissan altima and the check engine light came back on, what could be the problem? Wrong. O2 sensors have their own OBDII codes and the problem is not that. It's actually a bad ...

'04 Nissan Altima 02 sensor, cam sensor & air to fuel sensor all 02 sensor, cam sensor & air to fuel sensor all have crapped out....what makes this happen? The 02 sensor & cam sensor have ...

...the veh gas.so check all the wires on the 02 sensors and connections if you dont have are cant get a computer and evrything looks good no torn wire are oil soak sensor are leak in exhaust change 02 ...

...efficiency below threshold bank 1 mean on my 2000 nissan altima se i have already replaced the 02 sensor and the knock sensor could it be that i need a cataylic convertor in the front or is s ...

...yours did but when 02 sensors are replaced it takes driveing it for awhile before it resets itself you also have more then one 02 sensor was then wrong one replaced they screw into your exaust ...

...it turns over strongly. It also holds back power then speedit up on its own. WHY? Sounds could be 02 sensor, even injectors could cause this, might need cleaning. If no codes come up. My wife has

level is below 95% of max. Altima's don't generally have that issue so i would lean more towards an 02 sensor. usually its the upper 02 sensor. start there

...02 sensor is not ready. The evap usually sets with in a couple of days or so..... O2 Emission Monitors & Evap Monitor-- are two different systems Get ALL your OBD Codes & work them one at a ...