O2 sensor codes and location

[college man]

Whats the year, make, model and engine that we are talking about?_x000D_
with you having all these lean codes. That does not mean that your_x000D_
o2 sensors are at fault. You may have a vacuum leak. has any work_x000D_
been done recently? holes in the exhaust? heres a vid

Topic

[John B Kobberstad]

Exhaust manifold may have an O2 sensor and catalytic converter may also but without the vehicle, year make and model can’t tell.

[dreamer2355]

Can you post freeze frame data by chance or let us know what your LTFT and STFT is at?_x000D_
_x000D_
That will tell us if its a vacuum leak or a fuel pressure issue._x000D_
_x000D_
Also if your vehicle has a MAF, i would recommend cleaning it (do you have any aftermarket air fi

[rice400]

+1 to all of the above posts_x000D_
_x000D_
Bank 1 is the bank with cylinder #1_x000D_
Bank 2 is the other obviously_x000D_
_x000D_
Does this car have 2 cats or what?_x000D_
_x000D_
Must have 2 o2s pre cat and 2 o2s post cat

[EricTheCarGuy]

DON’T REPLACE THOSE SENSORS!!!

[Author]

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