Questions & Answers for: replacing 02 bank sensor 2005

Bank 1. Basically, the computer is seeing reduced efficiency of the catalytic converter or one of it's components (such as an 02 sensor) There may be a few root causes, such as a faulty oxygen sensor,

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 been changed twice

1. Either the 02 sensor down by the cat on bank 1 is malfunctioning, or the cat converter needs replacing. Cheaper to change the 02 sensor first, then the if the problem is still there, the cat is bad

P0030 h02s heater control circuit low bank 1 senso... P0030 h02s heater control circuit low bank 1 sensor 1 how do you fix it? Replace the top 02 sensor pre cat .

...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 sensor that needs to be replaced ...

i cant find my oxgyen 02 sensor on my nissan altima 2003 there are bank 1 and bank 2 the bank 1 is before the cat and bank 2 is after the cat

to the bottom of this article and it will show you where the Cam Position sensor is for Bank 2http://www.justanswer.com/nissan/4ds1v-nissan-datsun-altima-se-replace-bank-camshaft-positioning.html 

...it be the gas cap? or the 02 sensor?? How will I know? Is this a continual problem with the 2005 Nissan Altima's?? P0420 Catalyst System Efficiency Below Threshold seek help could be

Sensor (Bank 1 Sensor 1) Circuit Lean Shift Possible Causes: Air Fuel Sensor (AFS) is damaged or has failedAir Fuel Sensor (AFS) heater is damaged or has failedIntake air leaks somewhere in the engine

...replaced the bank 2 sensor. Any thoughts for a resolution? What does a Chrysler product have to do with this fault code, please explain. The meaning of the code is that bank 1 O2 sensor is